<?xml version="1.0"?>
<rss version="2.0">
   <channel>
      <title>꿈을 키우는 수학 2기 by 최진희</title>
      <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943</link>
      <description>별처럼 빛나는 조원중 1학년과 함께하는 자유학기 주제선택 2기
수학</description>
      <language>en-us</language>
      <pubDate>2020-12-06 12:22:09 UTC</pubDate>
      <lastBuildDate>2023-07-26 12:17:08 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
      <image>
         <url>https://padlet-uploads.storage.googleapis.com/663731268/5b53ef4d614d5a99ce24842625b627fa/___.png</url>
      </image>
      <item>
         <title>8단계 360도 꼬아 자르기</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438741</link>
         <description><![CDATA[<div>① 이번에는 띠를 360도 꼬아서 붙이고 1/2만큼 떨어진 선을 따라 잘라봅시다.<br>- 예상되는 결과는?</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438741</guid>
      </item>
      <item>
         <title>7단계 뫼비우스 띠의 변형</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438744</link>
         <description><![CDATA[<div>① 긴 띠를 완전히 한 바퀴 돌려 붙이면 뫼비우스 띠?<br>② 이 띠를 위에서 눌러 평평하게 만들었을때 </div><div> 어떤 모양이 나오나?</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438744</guid>
      </item>
      <item>
         <title>6단계 뫼비우스 띠의 변형</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438746</link>
         <description><![CDATA[<div>② 원통형 고리를 평면위에 놓고 눌러봅시다.<br>③ 뫼비우스 띠를 평면위에 놓고 눌러보면?<br>- 이 도형의 특징은?</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438746</guid>
      </item>
      <item>
         <title>5단계  뫼비우스 띠의 응용</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438748</link>
         <description><![CDATA[<div>① 주변에서 찾아볼 수 있는 뫼비우스 띠<br><strong>- 우리 주변에서 찾아볼 수 있는 뫼비우스 띠는 무엇이 있을까?</strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438748</guid>
      </item>
      <item>
         <title>3단계. 뫼비우스 띠 너비의 1/3선을 따라 자르기</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438749</link>
         <description><![CDATA[<div>① 뫼비우스 띠의 모서리에서 1/3만큼 떨어진 선을 따라 잘라봅시다.<br><br></div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663731268/849adddd2c7826f0779e82d924aef3fa/_____3__.jpg" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438749</guid>
      </item>
      <item>
         <title>2-4. 뫼비우스 띠 한번 더 잘라 관찰하기</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438751</link>
         <description><![CDATA[<div>③ 이미 가운데가 잘려진 띠를 한 번 더 잘라보자.</div><div>(원래 띠의 1/4위치)를 따라 잘라봅시다.<br>- 예상되는 결과?<br>- 이유는?<br>- 뫼비우스 띠 인가요?</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438751</guid>
      </item>
      <item>
         <title>2-3. 뫼비우스 띠 잘라보기</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438754</link>
         <description><![CDATA[<div>① 뫼비우스 띠의 중심선을 따라 자르기<br>- 예상되는 결과?<br>- 원통형 고리와 비교?<br>- 이 고리는 뫼비우스의 띠 입니까?</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438754</guid>
      </item>
      <item>
         <title>2-2. 뫼비우스 띠 특징 알아보기</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438757</link>
         <description><![CDATA[<div>① 면이 모두 몇 개인가?<br>② 어떻게 알 수 있을까요?<br>③ 모서리는 모두 몇 개일까요?</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438757</guid>
      </item>
      <item>
         <title>2단계. 뫼비우스 띠 만들기</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438758</link>
         <description><![CDATA[<div>1. 뫼비우스 띠 만들기 <br>① A4용지를 이용하여 폭이 3-4cm 정도가 되도록 길게 자릅니다.<br>② 한 쪽 끝을 180도 회전하여 다른 쪽 끝과 붙입니다.<br><br></div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663731268/2720dcb387aa5ae407d6e6980cccc384/_____1__.jpg" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438758</guid>
      </item>
      <item>
         <title>1단계 원통형 고리 활동</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438761</link>
         <description><![CDATA[<div>1. 면의 개수는 몇 개 입니까?<br>2. 모서리의 개수는 몇 개 입니까?<br>3. 가위로 이 고리의 중심선을 따라 자르면 그 결과는 어떻게 될까요?</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438761</guid>
      </item>
      <item>
         <title>원통형 고리 만들기</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438762</link>
         <description><![CDATA[<div>② 양끝을 이어  풀로 붙여 원통형 고리를  만듭니다.</div><div>그림을 잘 보면 AB로의 방향이 </div><div> 있는데 양 끝이 같은 방향이 </div><div>되도록 풀로 붙입니다. </div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663731268/9334692bdb9c68fd904bdc761d88eb92/___2.jpg" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438762</guid>
      </item>
      <item>
         <title>1단계 원통형 고리 만들기</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438764</link>
         <description><![CDATA[<div>① A4용지를 이용하여 </div><div> 폭이 3-4cm 정도가 되도록 길게 자릅니다.</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663731268/a14650b33940a80b52e3ca17f2a258fe/___1.jpg" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438764</guid>
      </item>
      <item>
         <title>면이 하나인 도형 만들기</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438766</link>
         <description><![CDATA[<div>- 뫼비우스 띠 만들기<br>  준비물:  A4용지 2장, 가위, 풀</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663731268/53b056b0a4e04009103f33f3b8f84197/__________.jpg" />
         <pubDate>2020-12-06 12:22:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/991438766</guid>
      </item>
      <item>
         <title>1. 정리하기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992648333</link>
         <description><![CDATA[<div>1.한 붓 그리기가 되는 경우: 홀수점  <br>   이 2개이거나, 모두 다 짝수 점이거<br>   나. <br>   -----&gt; 홀수점이 두 개인 경우 홀수<br>           점에서 시작해 다른 홀수점에<br>           서 끝난다.<br>2.역사:  수학자 오일러가 '쾨니히스<br>              베르크의 다리' 문제를 해결<br>               하기 위해 만듦.<br>----------&gt; 결과: '쾨니히스베르크'의 다<br>                         리는 한 붓 그리기가 <br>                         되지 않는다.<br>3. 짝수점: 한 꼭짓점에 연결된  변의 <br>                   개수가 짝수일 <sub> </sub>때에 그 <br>                    점을 말한다.<br>4. 홀수점: 한 꼭짓점에 연결된 변의 <br>                   개수가 홀수일 때 그 점  <br>                    을 말한다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 02:52:30 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992648333</guid>
      </item>
      <item>
         <title>2. 홀수점과 짝수점의 개수 구하기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992676844</link>
         <description><![CDATA[<div>1번:  홀수점-2개/짝수점-3개/<br>         한 붓 그리기 가능<br>2번: 홀수점- 5개/ 짝수점-4개/<br>        한 붓 그리기 불가능<br>3번: 홀수점-2개/짝수점-2개/<br>         한 붓 그리기 가능<br>4번: 홀수점-0개/짝수점-12개/<br>         한 붓 그리기 가능<br>5번: 홀수점-2개/짝수점-5개/<br>         한 붓 그리기 가능<br>6번: 홀수점-4개/짝수점-7개/<br>          한 붓 그리기 불가능</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 03:11:11 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992676844</guid>
      </item>
      <item>
         <title>3. 한붓 그리기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992682117</link>
         <description><![CDATA[<div>1번: 한 붓 그리기 가능<br>2번: 한 붓 그리기 가능<br>3번: 한 붓 그리기 불가능<br>4번: 한 붓 그리기 불가능 <br>        -----&gt;'쾨니히스베르그'의 다리를 <br>                 좌우 반전 시켜 놓음.<br>5번: 한 붓 그리기 가능<br>6번: 한 붓 그리기 가능</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663305050/2a38eb5a8a99fd36c70694b3aaf69476/__1_.jpg" />
         <pubDate>2020-12-07 03:14:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992682117</guid>
      </item>
      <item>
         <title>4. 한 붓 그리기란?</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992686988</link>
         <description><![CDATA[<div>-한 붓 그리기란?<br>  선분 또는 곡선들을 이어서 만든 도<br>  형이 주어졌을 때, 이 도형을 이루<br>  고 있는 선 위의 한 점에서 출발하<br>  여, 연필을 종이에서 떼지 않고 도<br>  형의 모든 부분을 다 그리는 것을 <br>  뜻한다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 03:17:13 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992686988</guid>
      </item>
      <item>
         <title>[1]</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992728847</link>
         <description><![CDATA[<div>홀수점 2개 혹은 모두 다 짝수점일 경우에 한붓그리기를 할 수 있다<br><br>오일러가 쾨니히스베르크의 다리의 문제를 풀었다.<br>=한붓그리기로 변경하여 문제를 풀었다만 그릴 수 없다<br><br>[2]<br>1. o<br>2. x<br>3. o<br>4. o<br>5. o<br>6. x</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 03:44:43 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992728847</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992800346</link>
         <description><![CDATA[<div>1번<br>홀수점 2개 혹은 모두 다<br>짝수점일 경우에 한붓그리기가 <br>가능하고<br>수학자 오일러가 <br>쾨니히스베르크의 다리 문제를 해결하기 위해만들었고 <br>결과는 쾨니히스베르크의 다리는 한 붓 그리기가 되지 않는것이다<br>2번<br>1:홀수점2짝수점2(가능)<br>2:홀수점5.짝수점4(불가능)<br>3:홀수점2짝수점2(가능)<br>4:홀수점0짝수점12(가능)<br>5:홀수점2짝수점5(가능)<br>6:홀수점4짝수점7(불가능)<br><br>3번<br>1: o<br>2:O<br>3:X<br>4:X<br>5:O<br>6:O<br><br><br></div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/874474051/d3f7e87b14d882cfd31dea608c448ba5/KakaoTalk_20201207_140948.png" />
         <pubDate>2020-12-07 04:30:32 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992800346</guid>
      </item>
      <item>
         <title>과제 1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992814353</link>
         <description><![CDATA[<div>1번, 2번, 5번, 6번 가능</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:38:58 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992814353</guid>
      </item>
      <item>
         <title>[2]</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992814395</link>
         <description><![CDATA[<div>1. o<br>2. o<br>3. x<br>4. x<br>5. o<br>6.o</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:38:59 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992814395</guid>
      </item>
      <item>
         <title>과제 2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992815491</link>
         <description><![CDATA[<div>1번<br>홀수점:2개<br>짝수점:2개<br>한붓그리기:가능<br> <br>2번<br>홀수점:5개<br>짝수점:4개<br>한붓그리기:불가능<br> <br>3번<br>홀수점:2개<br>짝수점:2개<br>한붓그리기:가능<br> <br>4번<br>홀수점:0개<br>짝수점:12개<br>한붓그리기:가능<br><br>5번<br>홀수점:4개<br>짝수점:1개<br>한붓그리기:불가능<br><br>6번<br>홀수점:4개<br>짝수점:7개<br>한붓그리기:불가능</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:39:37 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992815491</guid>
      </item>
      <item>
         <title>과제 1 </title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992816759</link>
         <description><![CDATA[<div>1번, 2번, 5번, 6번 가능<br>홀수점 2개 혹은 모두 짝수점일 경우 한붓그리기 가능</div>]]></description>
         <pubDate>2020-12-07 04:40:23 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992816759</guid>
      </item>
      <item>
         <title>과제1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992819876</link>
         <description><![CDATA[<div>1번-한붓그리기 가능<br>2번-한붓그리기 가능<br>3번 한붓그리기 불가능<br>4번-한붓그리기 불가능<br>5번-한붓그리기 가능<br>6번-한붓그리기 가능</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/899467871/ece2fe003fd784df10abc4495cc522fb/fetch.png" />
         <pubDate>2020-12-07 04:41:56 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992819876</guid>
      </item>
      <item>
         <title>과제 1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992819939</link>
         <description><![CDATA[<div>1: o<br>2: o<br>3: x<br>4: x<br>5: o<br>6: o</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:41:59 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992819939</guid>
      </item>
      <item>
         <title>과제1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992820599</link>
         <description><![CDATA[<div>1&gt;출발점과 도착점이 같은 경우:각 꼭짓점을 지나는 선분의 개수가 모두 짝수<br>2&gt;출발점과 도착점이 다른 경우: 꼭짓점을 지나는 선부의 개수가 홀수인 점이 2개뿐<br><br>오일러가 쾨니히스베르크의 다리의 문제를 풀었다.<br>문제를 풀었지만 불가능하다.<br><br>한 꼭짓점에 연결된 변의 개수가 홀수일때 그점을 홀수점, 짝수일 때에 그점을 짝수점이라고 한다<br>                                                                       과제2<br>1:o<br>2:x<br>3:x<br>4:x<br>5:o<br>6:o</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:42:21 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992820599</guid>
      </item>
      <item>
         <title>과제 3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992823999</link>
         <description><![CDATA[<div>한붓그리기가 가능한 도형은 홀수점의 개수가 0개이거나 2개인 도형<br><br>한붓그리기 수업을 통해 알게 된 사실<br>한붓그리기가 가능한 도형은 홀수점의 개수가 0개이거나 2개인 도형이다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:44:20 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992823999</guid>
      </item>
      <item>
         <title>과제2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992824430</link>
         <description><![CDATA[<div>1번 홀수점:2개, 짝수점:3개, 한붓그리기 가능<br>2번 홀수점:5개, 짝수점:4개, 한붓그리기 불가능<br>3번 홀수점:2개, 짝수점:2개, 한붓그리기 가능<br>4번 홀수점:0개, 짝수점:12개, 한붓그리기 가능<br>5번 홀수점:2개, 짝수점:5개, 한붓그리기 가능<br>6번:홀수점:4개, 짝수점:7개, 한붓그리기 불가능 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:44:35 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992824430</guid>
      </item>
      <item>
         <title>[3]</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992825592</link>
         <description><![CDATA[<div>한붓그리기 == 펜을 종이에서 떼지 않고, 동일한 선을 2번 이상 건너지 않게 하면서 어떤 선을 그리는 것이다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:45:16 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992825592</guid>
      </item>
      <item>
         <title>과제 1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992827668</link>
         <description><![CDATA[<div>1번, 2번, 5번, 6번 가능</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:46:30 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992827668</guid>
      </item>
      <item>
         <title>과제 2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992830064</link>
         <description><![CDATA[<div>1번:홀수점 2개 짝수점 2개 한붓그리기 가능<br>2번:홀수점 5개 짝수점 4개 한붓그리기 불가능<br>3번:홀수점 2개 짝수점 2개 한붓그리기 가능<br>4번:홀수점 없음 짝수점 12개 한붓그리기 가능<br>5번:홀수점 4개 짝수점 1개 한붓그리기 불가능<br>6번:홀수점 4개 짝수점 7개 한붓그리기 불가능<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:47:47 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992830064</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992830091</link>
         <description><![CDATA[<div>홀수점 2개 혹은 모두다 짝수점일 경우에 한둣 그리기가<br>가능할수있다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:47:48 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992830091</guid>
      </item>
      <item>
         <title>과제1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992831490</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:48:39 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992831490</guid>
      </item>
      <item>
         <title>과제 2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992831883</link>
         <description><![CDATA[<div>1번<br>홀수점:2개<br>짝수점:2개<br>한붓그리기가능<br> <br>2번<br>홀수점:5개<br>짝수점:4개<br>한붓그리기불가능<br> <br>3번<br>홀수점:2개<br>짝수점:2개<br>한붓그리기불가능<br> <br>4번<br>홀수점:0개<br>짝수점:12개<br>한붓그리기가능<br><br>5번<br>홀수점:4개<br>짝수점:1개<br>한붓그리기불가능<br><br>6번<br>홀수점:4개<br>짝수점:7개<br>한붓그리기불가능</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:48:53 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992831883</guid>
      </item>
      <item>
         <title>과제1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992832297</link>
         <description><![CDATA[<div>1번5번6번</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:49:07 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992832297</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992832308</link>
         <description><![CDATA[<div>2<br>1 o<br>2 0<br>3 x<br>4o<br>5 o<br>6 x</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:49:07 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992832308</guid>
      </item>
      <item>
         <title>과제 2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992832471</link>
         <description><![CDATA[<div>1번<br> 홀:2<br> 짝:2<br>한붓그리기: o<br><br>2번<br> 홀:5<br> 짝:4<br>한붓그리기: x<br><br>3번<br> 홀:2<br> 짝:2<br>한붓그리기:o<br><br>4번<br> 홀:0<br> 짝:12<br>한붓그리기: o<br><br>5번<br> 홀:4<br> 짝:3<br>한붓그리기:x<br><br>6번<br>  홀:4<br>  짝:7<br>한붓그리기:x</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:49:13 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992832471</guid>
      </item>
      <item>
         <title>과제 1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992833866</link>
         <description><![CDATA[<div>1번,2번,5번,6번 가능하다<br><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:50:02 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992833866</guid>
      </item>
      <item>
         <title>과제1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992834030</link>
         <description><![CDATA[<div>1,2,5,6가능 <br>과제2 <br>1번 홀수점 1개 짝수점2개 불가능<br>2번 홀수점 4개 짝수점 3개 불가능 <br>3번 홀수점 2개 짝수점 2개 불가능<br>4번 홀수점 0개 짝수점 12개 가능<br>5번 짝수점 3개 홀수4개 불가능<br>6번 홀수점 3개 짝수점 7개 불가능<br>홀수점이 2개이거나 모두 짝수점일때 가능<br>다리는 한붓그리기가 되지 않는다<br>과제3<br>한붓그리기가 무엇인지 알게되었고 <br>어떻게 하면 한붓 그리기가 되는지 알게되었다 <br>한붓그리기가 될려면 홀수점이 <br>2개이거나 모두 짝수점일 경우에만 가능하다<br><br><br></div>]]></description>
         <pubDate>2020-12-07 04:50:07 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992834030</guid>
      </item>
      <item>
         <title>과제 1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992835110</link>
         <description><![CDATA[<div>1.ㅇ<br>2.ㅇ<br>3. X<br>4. X<br>5.ㅇ<br>6.ㅇ</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:50:43 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992835110</guid>
      </item>
      <item>
         <title>과제 3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992835395</link>
         <description><![CDATA[<div>홀수점과 짝수점이 뭔지 알게 되었다<br>홀수점 : 연결된 변이 홀수개인 점<br>짝수점 : 연결된 변이 짝수개인 점</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:50:52 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992835395</guid>
      </item>
      <item>
         <title>과제3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992837846</link>
         <description><![CDATA[<div>한붓그리기에 공식이 있다는 것을 알게 되었다.-&gt;홀수점이 2개이거나 모두가 짝수점이면 한붓그리기 가능<br><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:52:06 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992837846</guid>
      </item>
      <item>
         <title>한붓그리기 결과</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992838091</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/661245957/18d96454fa1d9d2602e787c92809759a/20201207_135118_1_.jpg" />
         <pubDate>2020-12-07 04:52:14 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992838091</guid>
      </item>
      <item>
         <title>과제 2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992838563</link>
         <description><![CDATA[<div>1번은 홀수점이 2개 짝수점이 2개 이므로<br>한붓그리기가 가능하다<br> <br>2번은 홀수점이 5개 짝수점이 4개 이므로<br>한붓그리기가 불가능하다<br> <br>3번은 홀수점이 2개 짝수점이 2개 이므로<br>한붓그리기가 가능하다<br> <br>4번은 홀수점이0개 짝수점이 12개 이므로<br>한붓그리기가 가능하다<br><br>5번은 홀수점이4개 짝수점이 1개 이므로<br>한붓그리기가 불가능하다<br><br>6번은 홀수점이4개 짝수점7개 이므로<br>한붓그리기가 불가능하다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:52:29 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992838563</guid>
      </item>
      <item>
         <title>과제 2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992839189</link>
         <description><![CDATA[<div>1. (가능)<br>홀수점: 2개<br>짝수점: 2개<br><br>2. (불가능)<br>홀수점: 5개<br>짝수점: 4개<br><br>3. (가능)<br>홀수점: 2개<br>짝수점: 2개<br><br>4. (가능)<br>홀수점: 0개<br>짝수점: 12개<br><br>5. (블가능)<br>홀수점: 4개<br>짝수점: 1개<br><br>6. (불가능)<br>홀수점: 4개<br>짝수점: 7개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:52:50 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992839189</guid>
      </item>
      <item>
         <title>과제1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992844106</link>
         <description><![CDATA[<div>1,4,6</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:55:27 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992844106</guid>
      </item>
      <item>
         <title>과제</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992844203</link>
         <description><![CDATA[<div>1<br>1,2,5,6 가능<br>2</div><pre>한 번 지나간 선으로는 지나가지 않고 모든 선을 이어 그림을 완성하는 것.
3</pre><div>1:홀수점2짝수점2(o)<br>2:홀수점5.짝수점4(x)<br>3:홀수점2짝수점2(o)<br>4:홀수점0짝수점12(x)<br>5:홀수점2짝수점5(o)<br>6:홀수점4짝수점7(x)<br><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:55:30 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992844203</guid>
      </item>
      <item>
         <title>과제2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992844835</link>
         <description><![CDATA[<div>1번 가능<br>2번 가능<br>3번 불가능<br>4번 불가능<br>5번 가능<br>6번 가능</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:55:53 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992844835</guid>
      </item>
      <item>
         <title>1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992845786</link>
         <description><![CDATA[<div>1 5 6</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:56:23 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992845786</guid>
      </item>
      <item>
         <title>한붓그리기란?</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992847219</link>
         <description><![CDATA[<div>한 번 지나간 선으로는 지나가지 않고 모든 선을 이어 그림을 완성하고 단, 붓을 종이에서 떼지 않고 한 번에 그린다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:57:13 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992847219</guid>
      </item>
      <item>
         <title>과제 3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992850499</link>
         <description><![CDATA[<div>한붓 그리기란 붓을 한번도 종이 위에서 떼지 않고 같은 곳을 두번 지나지 않으면서 어떤 도형을 그릴수 있는지 하는 문제를 말한다<br>한붓그리기가 가능한 도형은 홀수점의 개수가 없거나 2개인 도형이다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 04:59:01 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992850499</guid>
      </item>
      <item>
         <title>1번홀수점 2개 혹은 모두 다짝수점일 경우에 한붓그리기가 가능하고수학자 오일러가 쾨니히스베르크의 다리 문제를 해결하기 위해만들었고 결과는 쾨니히스베르크의 다리는 한 붓 그리기가 되지 않는것이다2번1:홀수점2짝수점2(가능)2:홀수점5.짝수점4(불가능)3:홀수점2짝수점2(가능)4:홀수점0짝수점12(가능)5:홀수점2짝수점5(가능)6:홀수점4짝수점7(불가능)3번1: o2:O3:X4:X5:O6:O</title>
         <author>ywshin1324</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992851410</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/747173405/0351ffcbe8bc1baf9d0f095fa77694ae/ghgggg.jpg" />
         <pubDate>2020-12-07 04:59:29 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992851410</guid>
      </item>
      <item>
         <title>과제 1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992852493</link>
         <description><![CDATA[<div>1.2.5.6 가능하다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:00:07 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992852493</guid>
      </item>
      <item>
         <title>과제 3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992854234</link>
         <description><![CDATA[<div>한붇그리기는 그리면서 두번 지나지 않는다는 걸 알았다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:00:59 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992854234</guid>
      </item>
      <item>
         <title>과제 4</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992855511</link>
         <description><![CDATA[<div>한붓그리기란, 선분 또는 곡선들을 이어서 만든 도형들이 주어졌을 때, 이 도형을 이루고 있는 선 위의 한점에서 출발하여, 연필을 종이에서 떼지 않고 도형의 모든 부분을 다그리는 것을 한붓그리기 라고 합니다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:01:45 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992855511</guid>
      </item>
      <item>
         <title>과제2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992855615</link>
         <description><![CDATA[<div>1번0<br>2번0<br>3번x<br>4번x<br>5번0<br>6번0</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:01:49 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992855615</guid>
      </item>
      <item>
         <title>과제 2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992855715</link>
         <description><![CDATA[<div>1번: 홀수점2 짝수점2(가능함)<br>2번:홀수점5 짝수점4(불가능)<br>3번: 홀수점 2 짜수점 2(가능)<br>4번:홀수점 0짝점12(가능)<br>5번:홀수점2짝수점5(가능)<br>6번:홀수점4짝수점7(불가능)</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:01:53 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992855715</guid>
      </item>
      <item>
         <title>한붓그리기의 조건</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992856138</link>
         <description><![CDATA[<div>홀수점이 2개이거나 없을 경우 한붓그리기 가능</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:02:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992856138</guid>
      </item>
      <item>
         <title>한붓그리기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992857083</link>
         <description><![CDATA[<div>선분이나 곡선으로 이루어진 도형의선 위 한점에서 출발해 붓을 떼지 않고 같은 부분을 지나지 않도록 도형을 그리는 것. 오일러가 쾨니히스베르크의 다리 문제 해결을 위해 만듦. 쾨니히스베르크의 다리는 한붓그리기 불가.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:02:45 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992857083</guid>
      </item>
      <item>
         <title>과제 1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992858008</link>
         <description><![CDATA[<div>1,2,5,6 가능<br>3,4 불가능 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:03:21 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992858008</guid>
      </item>
      <item>
         <title>과제1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992858076</link>
         <description><![CDATA[<div>1 5 6<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:03:23 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992858076</guid>
      </item>
      <item>
         <title>과제3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992858550</link>
         <description><![CDATA[<div>한붓그리기를 알게되었다<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:03:42 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992858550</guid>
      </item>
      <item>
         <title>짝수점과 홀수점</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992863002</link>
         <description><![CDATA[<div>짝수점:한 꼭짓점에 연결된 변의 개수가 짝수인 점<br>홀수점:한 꼭짓점에 연결된 변의 개수가 홀수인 점</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:06:18 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992863002</guid>
      </item>
      <item>
         <title>과제 2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992863968</link>
         <description><![CDATA[<div>1:홀수점-2개 짝수점-3개 (불가능)<br>2:홀수점-5개 짝수점-4개 (불가능)<br>3:홀수점-2개 짝수점-2개 (가능)<br>4:홀수점-0개 짝수점-12개 (가능)<br>5:홀수점-2개 짝수점-5개 (가능)<br>6:홀수점-4개 짝수점-7개 (불가능)</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:06:53 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992863968</guid>
      </item>
      <item>
         <title>과제3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992864279</link>
         <description><![CDATA[<div>저번에는 하다가 된거였는데 방법이 알고 있게되어서 신기함<br> <br>그릴수 있는 도형은 홀수점이 0개이거나 2개임<br><br>한 번 지나간 선으로는 지나갈수없고 모든 선을 이어야하고 종이에서 붓을 떼어내면 안되는 것이다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:07:04 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992864279</guid>
      </item>
      <item>
         <title>과제 3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992870636</link>
         <description><![CDATA[<div>한붓그리기:선분 또는 곡선들을 이어서 만든 도형이 주어졌을때 연필을 종이에서 떼지 않고 도형의 모든 부분을 그리는것 <br>실생활 관련:도로망,항공망 등등<br>짝수점:한 꼭짓점에 연결된 변의 개수가 짝수인 것<br>홀수점:한 꼭짓점에 연결된 변의 개수가 홀수인 것 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:10:30 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992870636</guid>
      </item>
      <item>
         <title>패들렛에 안올라가면 카톡에서 과제 보내기</title>
         <author>2020mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992871226</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:10:49 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992871226</guid>
      </item>
      <item>
         <title>과제 3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992872689</link>
         <description><![CDATA[<div>한붓그리기란 한 점에서 출발하여 연필을 종이에서 떼지 않고 도형을 완성시키는 것이다.<br> <br>홀수점이 0개이거나 2개인 경우만 한붓그리기가 가능하고 실제로 내가 그려봤을 때 이 공식이 성립헤서 신기했다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:11:41 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992872689</guid>
      </item>
      <item>
         <title>알게 된 점/느낀점</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992875382</link>
         <description><![CDATA[<div>신기했고, 한붓그리기 공식이 있다는 것을 알게 되었다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:13:20 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992875382</guid>
      </item>
      <item>
         <title>과제 3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992876306</link>
         <description><![CDATA[<div>항상 한붓 그리기를 해서 완성 했을 때는 그냥 운이 좋아서 완성했다고만 생각했었는데 이러한 한붓 그리기에도 공식이 있었다는 것을 처음으로 알게되었습니다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:13:53 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992876306</guid>
      </item>
      <item>
         <title>.</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992877253</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/899341035/165ed6596112cc6fd902a4022919aea4/16073180482028106078667509889604.jpg" />
         <pubDate>2020-12-07 05:14:25 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992877253</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992880387</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/661098400/b5aa0a12064616d2aa830d7e8e099b05/E6B20E91_8106_4594_963A_612CC7D125B6.png" />
         <pubDate>2020-12-07 05:16:14 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992880387</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992883048</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/879976064/a2253f86c868a0ec127415e3bd7711af/20201207_141227.png" />
         <pubDate>2020-12-07 05:17:49 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992883048</guid>
      </item>
      <item>
         <title>한붓그리기 </title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992883621</link>
         <description><![CDATA[<div>선분 또는 곡선들을 이어서 만든 도형이 주어졌을때 연필을 종이에서 떼지 않고 도형의 모든 부분을 그리는것 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:18:10 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992883621</guid>
      </item>
      <item>
         <title>과제 1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992883971</link>
         <description><![CDATA[<div>1.o<br>2.o<br>3.x<br>4.x<br>5.o<br>6.o<br><br>과제 2<br>1.(가능) 짝수2개 홀수2개<br>2.(불가능) 짝수4개 홀수5개<br>3.(가능) 짝수2개 홀수2개<br>4.(가능) 짝수12개 홀수0개<br>5.(불가능) 짝수1개 홀수 4개<br>6.(불가능) 짝수7개 홀수 4개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-07 05:18:22 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992883971</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992886221</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/662198620/940aa383bcd026776c22fe05f56367ca/20201207_141709.jpg" />
         <pubDate>2020-12-07 05:19:41 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992886221</guid>
      </item>
      <item>
         <title>한붓그리기 그림</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992906525</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/747187221/41ab27fdc351e54f3b75bd35abe2fc44/D03DF110_4475_42F1_AFB0_32D5E416D1DB.jpeg" />
         <pubDate>2020-12-07 05:31:42 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/992906525</guid>
      </item>
      <item>
         <title>뫼비우스 띠</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014843966</link>
         <description><![CDATA[<div>1/3일 때 큰 것과 작은 것이 연결 되 있다<br>작은 것은 뫼비우스 띠</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/750067575/8f724bbc1f283544202370f62d862809/16079227553652539874771752876519.jpg" />
         <pubDate>2020-12-14 05:12:50 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014843966</guid>
      </item>
      <item>
         <title>10521박찬희 </title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014844484</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/911511958/afbcae2e1c6627f2ea55cbe0a52e2bdc/16079227724308306648005905114749.jpg" />
         <pubDate>2020-12-14 05:13:10 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014844484</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014845718</link>
         <description><![CDATA[<div>10217  김도윤</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/699372696/187c3772979187d3dbaa10012f368030/16079228327473538745703509964099.jpg" />
         <pubDate>2020-12-14 05:14:03 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014845718</guid>
      </item>
      <item>
         <title>1단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014845723</link>
         <description><![CDATA[<div>1. 면: 2개<br>2. 모서리: 2개<br>3. 조금 더 얇은 원통형 고리 2개가 만들어진다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:14:03 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014845723</guid>
      </item>
      <item>
         <title>1단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014846037</link>
         <description><![CDATA[<div>1.면의 개수:2개<br>2.모서리의 개수:2개<br>3.원통형 고리 2개로 나뉩니다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:14:18 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014846037</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014847038</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/665451372/881095d12406774b9401a3c04ac87b7b/A35BE62F_FB99_44C1_AFAF_3606A315F54E.jpeg" />
         <pubDate>2020-12-14 05:15:00 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014847038</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014847517</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/911354642/d9530f245be6813607abfdfd34adb8ea/KakaoTalk_20201214_141456680_01.jpg" />
         <pubDate>2020-12-14 05:15:23 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014847517</guid>
      </item>
      <item>
         <title>과제 1-1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014847579</link>
         <description><![CDATA[<div>면 2개<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:15:26 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014847579</guid>
      </item>
      <item>
         <title>2-2단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014847880</link>
         <description><![CDATA[<div>1.면의 개수:1개<br>2.뫼비우스의 띠에 점을 찍고 연필로 선을 처음 찍은 점과 만날 때까지 그으면 안과 밖이 모두 연결되어 있습니다.<br>3.모서리의 개수:1개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:15:37 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014847880</guid>
      </item>
      <item>
         <title>2-2단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014849269</link>
         <description><![CDATA[<div>1.  면: 1개<br>2. 뫼비우스 띠에 점을 찍고 연필로 찍은 점과 만날 때까지 그으면 면이 연결 되어 있다는 것을 알 수 있다.<br>3. 모서리:1개 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:16:08 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014849269</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014849324</link>
         <description><![CDATA[<div>두 개의 모형의 길이가 다르고 <br>작은 모형은 뫼비우스 띠이고<br>큰 것은 뫼비우스 띠가 아니다</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/874369321/d26b6c6cbf8786ce4c791b3036cd3443/1607922956941_1_.jpg" />
         <pubDate>2020-12-14 05:16:10 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014849324</guid>
      </item>
      <item>
         <title>2-3단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014850440</link>
         <description><![CDATA[<div>-아마도 둘레가 더 큰 하나의 띠가 만들어질 것 같습니다<br>-원통형 고리와 다르게 두번 꼬여있습니다.<br>-아닙니다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:16:50 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014850440</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014850512</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/903820793/61911986a70f8f612ebda9a4a7ee2cb6/16079229698377153967922481782016.jpg" />
         <pubDate>2020-12-14 05:16:52 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014850512</guid>
      </item>
      <item>
         <title>1단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014851492</link>
         <description><![CDATA[<div>면:2개<br>모서리:2개<br>얇은 원통 2개가 생긴다 <br><br></div>]]></description>
         <pubDate>2020-12-14 05:17:30 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014851492</guid>
      </item>
      <item>
         <title>2-4단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014851832</link>
         <description><![CDATA[<div>-두 개의 고리가 생길 것입니다.<br>-왜냐하면 뫼비우스의 띠가 아니었기 때문입니다.<br>-뫼비우스의 띠가 아니었습니다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:17:44 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014851832</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014852085</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/911511958/3ec56250a7d6f0a0412b42e8035657d5/20201214_140040.jpg" />
         <pubDate>2020-12-14 05:17:55 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014852085</guid>
      </item>
      <item>
         <title>1단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014852239</link>
         <description><![CDATA[<div>1. 2개<br>2. 2개<br>3. 원통형 고리 두개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:18:02 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014852239</guid>
      </item>
      <item>
         <title>10130 이석호</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014852767</link>
         <description><![CDATA[<div>①<br>면의 개수 2개<br>모서리 개수 2개<br>2분의 1지점으로 자를 시 2개가 생김</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:18:24 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014852767</guid>
      </item>
      <item>
         <title>3단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014853253</link>
         <description><![CDATA[<div>-둘레가 큰 고리 하나와 작은 고리 하나로 나뉠 것입니다<br>-책에서 읽었던 적이 있습니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:18:44 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014853253</guid>
      </item>
      <item>
         <title>10130 이석호</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014854006</link>
         <description><![CDATA[<div>②<br>면의 개수 1개,모서리의 개수 1개<br>(한 점으로 부터 선으로 긋게 되면 원래 자리로 돌아옴),</div>]]></description>
         <pubDate>2020-12-14 05:19:16 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014854006</guid>
      </item>
      <item>
         <title>2-2 단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014854116</link>
         <description><![CDATA[<div>1. 1개<br>2. 점을 찍어 쭉 이으면 같은 곳에서 만난다<br>3. 1개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:19:21 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014854116</guid>
      </item>
      <item>
         <title>2-2단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014854696</link>
         <description><![CDATA[<div>면:1개<br>한 면에 점을 찍고 그리다 보면 다시 만난다<br>모서리:1개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:19:43 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014854696</guid>
      </item>
      <item>
         <title>과제1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014854762</link>
         <description><![CDATA[<div>1:2<br>2:2<br>3:고리의길이가 길어지고 두께가얇아진다</div>]]></description>
         <pubDate>2020-12-14 05:19:45 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014854762</guid>
      </item>
      <item>
         <title>2-3단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014855042</link>
         <description><![CDATA[<div>1. 더 얇은 띠가 하나 더 생길 것 같다.<br>2. 뫼비우스 띠가 서로 꼬여 있다.<br>3. 뫼비우스 띠가 아니다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:19:58 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014855042</guid>
      </item>
      <item>
         <title>1단계: 원통형 고리 만들기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014856501</link>
         <description><![CDATA[<div>면 : 2개<br>모서리 : 2개</div>]]></description>
         <pubDate>2020-12-14 05:20:58 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014856501</guid>
      </item>
      <item>
         <title>2-3단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014856547</link>
         <description><![CDATA[<div>뫼비우스의 띠가 될것 같다<br>엉켜있다 <br>아니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:21:01 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014856547</guid>
      </item>
      <item>
         <title>과제2-2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857078</link>
         <description><![CDATA[<div>1:1<br>2:연필로 한면을따라 쭉긋는다<br>3:1</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:21:23 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857078</guid>
      </item>
      <item>
         <title>③</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857240</link>
         <description><![CDATA[<div>전보다 길이가 더 길어진 띠가 생길 것이다.<br>전과 다르게 2번 꼬와져 있기에 안과 밖의 기준이 있다</div>]]></description>
         <pubDate>2020-12-14 05:21:31 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857240</guid>
      </item>
      <item>
         <title>과제</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857361</link>
         <description><![CDATA[<div>두 개로 나뉘어지나 큰것은 뫼비우스의 띠가 아니고 작은것은 뫼비우스의 띠이다</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/662198620/a1e22e031217dfb0427be8bb0a4b07da/20201214_141756.jpg" />
         <pubDate>2020-12-14 05:21:37 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857361</guid>
      </item>
      <item>
         <title>2-1단계: 뫼비우스의 띠</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857402</link>
         <description><![CDATA[<div>면 : 1개<br>모서리 : 1개<br>이유 :  뫼비우스의 띠의 한 부분에 <br>            점을 찍고 그 점을 쭉 이으면 <br>            다시 한 점에 만나게 된다.</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663305050/b0ec4b9f367338fdc6b934c005a5187c/20201214_135446.jpg" />
         <pubDate>2020-12-14 05:21:39 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857402</guid>
      </item>
      <item>
         <title>2-4단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857469</link>
         <description><![CDATA[<div>1. 고리가 2개가 된다.<br>2. 절반 지점을 잘랐을 때도 고리가 2개가 되었었기 때문이다.<br>3.뫼비우스 띠가 아니다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:21:42 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857469</guid>
      </item>
      <item>
         <title>뫼비우스 띠</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857934</link>
         <description><![CDATA[<div>긴줄은 뫼비우스띠가 아니다.<br>짧은줄은 뫼비우스띠이다.<br><br></div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/747187221/b992f2da3bcbb837192584ab7e4ec4e0/940B1AA3_D1D6_4193_B911_35EAD8FC06B8.jpeg" />
         <pubDate>2020-12-14 05:22:03 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014857934</guid>
      </item>
      <item>
         <title>1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014858221</link>
         <description><![CDATA[<div>1.면의 개수:2개<br>2.모서리의 개수:2개<br>3.원통형 고리 2개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:22:15 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014858221</guid>
      </item>
      <item>
         <title>2-3  단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014858306</link>
         <description><![CDATA[<div>1. 큰고리가 만들어질 것 같다<br>2. 두번 꼬여있다<br>3. 아니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:22:17 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014858306</guid>
      </item>
      <item>
         <title>④</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014858624</link>
         <description><![CDATA[<div>두 개의 띠가 생긴다.<br>이 2개 전부 뫼비우스의 띠가 아니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:22:27 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014858624</guid>
      </item>
      <item>
         <title>2-4 단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014859501</link>
         <description><![CDATA[<div>1. 두개의 고리가 생길 것 같다<br>2. 두번 꼬여있기 때문에<br>3. 아니다</div>]]></description>
         <pubDate>2020-12-14 05:23:06 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014859501</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860205</link>
         <description><![CDATA[<div>긴줄은 뫼비우스 띠가 아니고 짧은줄은 뫼비우스 띠가 맞다</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/911515868/013e387c2332f1684659bf94db7ad0af/16079233988092592718860738698807.jpg" />
         <pubDate>2020-12-14 05:23:35 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860205</guid>
      </item>
      <item>
         <title>뫼비우스띠</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860512</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663250383/712426a1904ae97c60a1b6902a572220/4.jpg" />
         <pubDate>2020-12-14 05:23:49 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860512</guid>
      </item>
      <item>
         <title>2-2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860567</link>
         <description><![CDATA[<div>1.면의 개수:1개<br>2.뫼비우스의 띠에 점을 찍고 연필로 선을 처음 찍은 점과 만날 때까지 그으면 안과 밖이 모두 연결되어있다<br>3.모서리의 개수:1개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:23:51 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860567</guid>
      </item>
      <item>
         <title>뫼비우스의 띠</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860749</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/844806451/30189bf7d14bbad7cb69503abb82fd22/KakaoTalk_20201214_142331072.jpg" />
         <pubDate>2020-12-14 05:23:59 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860749</guid>
      </item>
      <item>
         <title>2-2단계:뫼비우스의 띠를 1/2로 잘라보기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860797</link>
         <description><![CDATA[<div>예상되는 결과: 둘레가 더 긴 뫼비우<br>                            스의 띠 하나가 더 <br>                            만들어질 것 같다.<br>원통형 고리와의 비교: 원통형 고리<br>                                         와 다르게 두<br>                                         번 꼬여있<br>                                         다.<br>뫼비우스의 띠 인가?:아니다<br>결과: 뫼비우스의 띠에서 한 번 더 꼬<br>           였다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:24:02 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860797</guid>
      </item>
      <item>
         <title>5단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860825</link>
         <description><![CDATA[<div>에스컬레이터</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:24:03 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014860825</guid>
      </item>
      <item>
         <title>2-4단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014861129</link>
         <description><![CDATA[<div>2개의 원통이 생길 것 같다<br>절반을 잘랐기 때문에<br>아니요<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:24:15 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014861129</guid>
      </item>
      <item>
         <title>뫼비우스의 띠 실생활 이용</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014861257</link>
         <description><![CDATA[<div>에스컬레이터의 손잡이, 롤러코스터, 카세트테이프 등</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:24:20 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014861257</guid>
      </item>
      <item>
         <title>2-3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014861456</link>
         <description><![CDATA[<div>1. 더 얇은 띠가 하나 더 생길 것 같음<br>2. 뫼비우스 띠가 서로 꼬여 있다.<br>3. 아니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:24:29 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014861456</guid>
      </item>
      <item>
         <title>3단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014861527</link>
         <description><![CDATA[<div>1. 조금 더 넓은 고리와 그에 비해 조금 더 얇은 고리가 생길 것이다.<br>2. 지금 까지 해 본것을 바탕으로 생각해보면 그러한 결과가 나올 것 같다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:24:32 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014861527</guid>
      </item>
      <item>
         <title>⑤</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014861925</link>
         <description><![CDATA[<div>(서로) 크기가 다른 고리가 나타날 것이며<br>뫼비우스의 띠가 맞다(확신 안함)</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:24:50 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014861925</guid>
      </item>
      <item>
         <title>과제2-3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014862578</link>
         <description><![CDATA[<div>1:띠의 길이가 길어지고 두께가 얇아진다<br>2:고리가  꼬여있다<br>3:x<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:25:19 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014862578</guid>
      </item>
      <item>
         <title>5단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014862961</link>
         <description><![CDATA[<div>롤러코스터</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:25:33 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014862961</guid>
      </item>
      <item>
         <title>6단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014862971</link>
         <description><![CDATA[<div>원통형 고리는 찢어집니다<br>뫼비우스의 띠는 접힙니다<br>삼각형처럼 생겼습니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:25:34 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014862971</guid>
      </item>
      <item>
         <title>4단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014863443</link>
         <description><![CDATA[<div>2개의 원통이 생길 것이다<br>아니요 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:25:57 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014863443</guid>
      </item>
      <item>
         <title>2-4</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014863915</link>
         <description><![CDATA[<div>1.두 개의 고리가 생길 것이다<br>2.잘랐을때 고리가 2개여서 아니다<br>3.뫼비우스의 띠가 아님.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:26:17 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014863915</guid>
      </item>
      <item>
         <title>1단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014864121</link>
         <description><![CDATA[<div>1. 면: 2개<br>2. 모서리: 2개<br>3. 조금 더 얇은 원통형 고리 2개가 만들어짐</div>]]></description>
         <pubDate>2020-12-14 05:26:26 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014864121</guid>
      </item>
      <item>
         <title>뫼비우스의 띠 특징</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014864211</link>
         <description><![CDATA[<div>면 1개, 모서리 1개. 안과 밖이 연결되어 있다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:26:30 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014864211</guid>
      </item>
      <item>
         <title>과제2-4</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014864965</link>
         <description><![CDATA[<div>1:고리가 하나더생긴다<br>2:한번 잘랐을때  고리가 하나더 생겼기 때문이다 <br>3:x<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:27:02 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014864965</guid>
      </item>
      <item>
         <title>뫼비우스의 띠 1/2 자르기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014865305</link>
         <description><![CDATA[<div>더 긴 띠 1개가 생길 것 같다<br>2번 꼬여있어 뫼비우스의 띠는 아니다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:27:18 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014865305</guid>
      </item>
      <item>
         <title>6단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014865605</link>
         <description><![CDATA[<div>1.원통형 고리가 찢어지고, 접힌다<br>2. 뫼비우스 띠가 접힌다.<br>3. 재활용 표시처럼 생겼다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:27:32 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014865605</guid>
      </item>
      <item>
         <title>과제 5</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014866266</link>
         <description><![CDATA[<div>에스컬레이터 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:27:59 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014866266</guid>
      </item>
      <item>
         <title>2-2 단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014866456</link>
         <description><![CDATA[<div>1. 면: 1개<br>2. 뫼비우스 띠에 점을 찍고 연필로 찍은 점과 만날 때 까지 그으면 면이 연결 된다는 것을 알 수 있음<br>3. 모서리:1개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:28:08 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014866456</guid>
      </item>
      <item>
         <title>5단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014866665</link>
         <description><![CDATA[<div>도트매트릭스 프린터 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:28:19 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014866665</guid>
      </item>
      <item>
         <title>뫼비우스의 띠 1/2 자르고 한번 더 1/2 자르기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014866689</link>
         <description><![CDATA[<div>가운데가 서로 연결된 띠가 생긴다<br>이것도 뫼비우스의 띠는 아님</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:28:20 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014866689</guid>
      </item>
      <item>
         <title>3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014866955</link>
         <description><![CDATA[<div>1.둘레가 큰 고리 하나와 작은 고리 하나로 나뉠 것이다<br>2.책에서 읽었던 적이 있다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:28:31 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014866955</guid>
      </item>
      <item>
         <title>2-3단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014867566</link>
         <description><![CDATA[<div>1. 더 얇은 띠가 하나 더 생길 것이다<br>2. 뫼비우스 띠가 서로 꼬여 있다<br>3. 뫼비우스 띠가 아니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:28:58 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014867566</guid>
      </item>
      <item>
         <title>5단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014867768</link>
         <description><![CDATA[<div>에스컬레이터</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:29:07 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014867768</guid>
      </item>
      <item>
         <title>과제6</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014867890</link>
         <description><![CDATA[원통고리]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:29:13 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014867890</guid>
      </item>
      <item>
         <title>2-4 단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014868460</link>
         <description><![CDATA[<div>1 고리가 2개가 된다<br>2 절반 지점을 잘랐을 때도 고리가 2개가 되었었기 때문에<br>3 뫼비우스 띠가 아니다</div>]]></description>
         <pubDate>2020-12-14 05:29:39 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014868460</guid>
      </item>
      <item>
         <title>5</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014869213</link>
         <description><![CDATA[<div>에스컬레이터</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:30:13 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014869213</guid>
      </item>
      <item>
         <title>6단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014869565</link>
         <description><![CDATA[<div>원통:구겨지고 찢어진다<br>띠:접힌다 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:30:28 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014869565</guid>
      </item>
      <item>
         <title>2-3단계:뫼비우스의 띠를 한 번더 잘라보기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014869679</link>
         <description><![CDATA[<div>예상 되는 결과: 1/2로 잘랐을 때 보<br>                            다 둘레가 늘어나고,<br>                            이번에는 뫼비우스<br>                             의 띠가 될 것 같다.<br>뫼비우스의 띠 인가?: 아니다<br>결과: 두 개의 고리가 생기었다.</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663305050/2629e923caaf65cdac4fb28120a99fcc/20201214_143323.jpg" />
         <pubDate>2020-12-14 05:30:32 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014869679</guid>
      </item>
      <item>
         <title>6</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014869732</link>
         <description><![CDATA[<div>원통형 고리가 찢어진다<br>뫼비우스의 띠가 접힌다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:30:35 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014869732</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014870134</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/661397015/d481c8a8dc17cdd7f64e9cb93e787e07/20201214_143019.jpg" />
         <pubDate>2020-12-14 05:30:52 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014870134</guid>
      </item>
      <item>
         <title>6</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014870220</link>
         <description><![CDATA[<div>재활용 상징 마크</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:30:56 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014870220</guid>
      </item>
      <item>
         <title>6단계 </title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014871323</link>
         <description><![CDATA[<div>원통형고리가 찢어진다<br>뫼비우스의 띠가 삼각형 모양이 된다</div>]]></description>
         <pubDate>2020-12-14 05:31:44 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014871323</guid>
      </item>
      <item>
         <title>7</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014871526</link>
         <description><![CDATA[<div>원통형의 경우 구겨지거나 찢어진다   뫼비우스의 띠는 접힌다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:31:55 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014871526</guid>
      </item>
      <item>
         <title>6단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014871784</link>
         <description><![CDATA[<div><br>원통형 띠:콰직 하고 찌그러졌다<br>뫼비우스의 띠:분리수거 마크처럼 생긴 평면도형이 탄생했다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:32:08 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014871784</guid>
      </item>
      <item>
         <title>7단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014872347</link>
         <description><![CDATA[<div>접힌다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:32:33 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014872347</guid>
      </item>
      <item>
         <title>뫼비우스 띠 특징</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014872571</link>
         <description><![CDATA[<div>면:1개<br>모서리:1개<br>안과 밖이 연결됨</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:32:43 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014872571</guid>
      </item>
      <item>
         <title>3단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014874088</link>
         <description><![CDATA[<div>1 조금 더 넓은 고리와 그에 비해 조금 더 얇은 고리가 생길 것 같다<br>2 지금 까지 한것을  생각해보면 그러한 결과가 나올 것 같다.</div>]]></description>
         <pubDate>2020-12-14 05:33:52 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014874088</guid>
      </item>
      <item>
         <title>1단</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014874881</link>
         <description><![CDATA[<div>1 면2<br>2 모서리 2<br>3 얆은 고리 2<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:34:27 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014874881</guid>
      </item>
      <item>
         <title>8단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014874906</link>
         <description><![CDATA[<div>반만 돌렸을때는 긴 원통이 되었으니 똑같이 될것같다 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:34:29 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014874906</guid>
      </item>
      <item>
         <title>7단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014875409</link>
         <description><![CDATA[<div>1. 뫼비우스 띠가 아니다.<br>2. 접힌다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:34:48 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014875409</guid>
      </item>
      <item>
         <title>7단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014877090</link>
         <description><![CDATA[<div>1아닙니다<br>2종이가 4번 접혀서 부메랑 모양이 나옵니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:36:01 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014877090</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014877260</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/750064052/fe996bd7b8cf9eb8bf9b148bf8bbcb8f/A1296348_47E6_4B5B_9F62_94843F4592A3.jpeg" />
         <pubDate>2020-12-14 05:36:08 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014877260</guid>
      </item>
      <item>
         <title>1단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014877883</link>
         <description><![CDATA[<div>1.2개<br>2.2개<br>3.원통모양 2개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:36:32 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014877883</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014878132</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/911529813/b759efddf46092577fceefc052390e00/20201214_143518.jpg" />
         <pubDate>2020-12-14 05:36:41 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014878132</guid>
      </item>
      <item>
         <title>1단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014878200</link>
         <description><![CDATA[<div>면2개<br>모서리2개<br>얆은원동2개<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:36:44 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014878200</guid>
      </item>
      <item>
         <title>5단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014878492</link>
         <description><![CDATA[<div>에스컬레이터의 손잡이</div>]]></description>
         <pubDate>2020-12-14 05:36:55 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014878492</guid>
      </item>
      <item>
         <title>2.2단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014878631</link>
         <description><![CDATA[<div>1.1개<br>2.점을 한번 찍고 이으면 같은곳에서 멈춘다<br>3.1개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:37:00 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014878631</guid>
      </item>
      <item>
         <title>2 ㅡ1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014878675</link>
         <description><![CDATA[<div>면1<br>모서리 1<br>이유 뫼비우스 띠의 한 부분에 점을 찍고 그 점을 쭉이으면 다사 한점에서 만난다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:37:02 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014878675</guid>
      </item>
      <item>
         <title>두 개의 모형의 길이가 다르고 작은 모형은 뫼비우스 띠이고큰 것은 뫼비우스 띠가 아니다</title>
         <author>ywshin1324</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879036</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:37:17 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879036</guid>
      </item>
      <item>
         <title>7단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879086</link>
         <description><![CDATA[<div>1. 아니다<br>2. 찢어진다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:37:19 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879086</guid>
      </item>
      <item>
         <title>2단계-2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879309</link>
         <description><![CDATA[<div>면1개<br>모서리1<br>한 면에 점을 찍고 그리다 보면 다시 만난다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:37:29 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879309</guid>
      </item>
      <item>
         <title>6단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879674</link>
         <description><![CDATA[<div>1 원통형 고리가 찢어진다<br>2 뫼비우스 띠가 접힌다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:37:44 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879674</guid>
      </item>
      <item>
         <title>과제 8</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879702</link>
         <description><![CDATA[<div>구멍뚫린 삼각형<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:37:46 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879702</guid>
      </item>
      <item>
         <title>2-3단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879875</link>
         <description><![CDATA[<div>1.고리가 하나 더 생길것 같다<br>2.몇번 꼬여있다<br>3.X</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:37:55 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879875</guid>
      </item>
      <item>
         <title>3단계: 뫼비우스의 띠를 1/3으로 자르기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879884</link>
         <description><![CDATA[<div>예상: 1/2로 자은 것과 같을 것 같다.<br>결과: 두 개의 고리가 생기었다.</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663305050/eeb73ecdf1323cf5cac510ab8db1279d/20201214_143022.jpg" />
         <pubDate>2020-12-14 05:37:55 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879884</guid>
      </item>
      <item>
         <title>8단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879937</link>
         <description><![CDATA[<div>두 개의 고리로 나뉜다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:37:58 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879937</guid>
      </item>
      <item>
         <title>7단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879982</link>
         <description><![CDATA[<div>뫼비우스 띠는 아닌듯<br>종이가 여러 번 접혔다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:37:59 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014879982</guid>
      </item>
      <item>
         <title>뫼비우스 띠 잘라보기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014880576</link>
         <description><![CDATA[<div>예상: 뫼비우스 띠 두개가 될 것 같다.<br>결과: 2번 꼬여있어 뫼비우스 띠가 아니었다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:38:24 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014880576</guid>
      </item>
      <item>
         <title>8단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014880597</link>
         <description><![CDATA[<div>두개의 고리로 나뉘어진다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:38:25 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014880597</guid>
      </item>
      <item>
         <title>2단계3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014881115</link>
         <description><![CDATA[<div>1:띠의 길이가 길어지고 두께가 얇아진다<br>2:고리가  꼬여있다<br>3:x</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:38:47 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014881115</guid>
      </item>
      <item>
         <title>2단계-3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014882507</link>
         <description><![CDATA[<div>2개의원통이생긴다<br>꼬여있다 <br>아니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:39:26 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014882507</guid>
      </item>
      <item>
         <title>8단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014882877</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:39:41 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014882877</guid>
      </item>
      <item>
         <title>2-4단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014883008</link>
         <description><![CDATA[<div>1.고리 하나가 더 생김<br>2.한번 더 꼬여있어서<br>3.X</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:39:47 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014883008</guid>
      </item>
      <item>
         <title>2-2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014883901</link>
         <description><![CDATA[<div>면 1<br>2 뫼비우스 띠에 점을 찍고 연필로 찌은 점과만날때 까지<br>3모서리 1</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:40:28 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014883901</guid>
      </item>
      <item>
         <title>2단계-4</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014883968</link>
         <description><![CDATA[<div>1 고리가 하나더생긴다<br>2 잘랐을떄 고리가 더생겨서<br>3 NO</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:40:29 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014883968</guid>
      </item>
      <item>
         <title>7단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014884275</link>
         <description><![CDATA[<div>1 아니다<br>2 접힌다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:40:44 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014884275</guid>
      </item>
      <item>
         <title>4단계(5단계): 응용</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014884869</link>
         <description><![CDATA[<div>1. 에스컬레이터에 이용하면 한 면만 달리 않고, 다른 변도 같이 달기 때문에 더 효율적이다.<br>2.  재활용 상징 마크에도 사용된다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:41:11 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014884869</guid>
      </item>
      <item>
         <title>8단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014884934</link>
         <description><![CDATA[<div>고리 두개가 생길 것 같다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:41:13 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014884934</guid>
      </item>
      <item>
         <title>8단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014885000</link>
         <description><![CDATA[<div>두개의 고리로 나눠진다</div>]]></description>
         <pubDate>2020-12-14 05:41:17 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014885000</guid>
      </item>
      <item>
         <title>2-3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014885506</link>
         <description><![CDATA[<div>1더 얄마짐<br>2뫼비우스가 꼬여있다<br>3뫼비우스 띠가 아님</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:41:39 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014885506</guid>
      </item>
      <item>
         <title>3단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014885847</link>
         <description><![CDATA[<div>1.고리가3개 일것 같다<br>2.3번 꼬여 있어서<br>3.O</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:41:54 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014885847</guid>
      </item>
      <item>
         <title>8단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014886039</link>
         <description><![CDATA[<div>예상이 잘 안되는데...<br>해본 결과 세월호 추모 리본을 닮은 괴상하게 꼬인 종이 띠 2개가 체인처럼 연결된 참으로 괴상한 형태가 되었다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:42:02 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014886039</guid>
      </item>
      <item>
         <title>5단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014886501</link>
         <description><![CDATA[<div>재활용의 아이콘</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:42:19 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014886501</guid>
      </item>
      <item>
         <title>6단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014886801</link>
         <description><![CDATA[<div>원통 구겨지고 찌ㅉ어진다<br>띠 접힌다 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:42:30 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014886801</guid>
      </item>
      <item>
         <title>5단계(6단계): 변형-1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014887138</link>
         <description><![CDATA[<div>1. 원통형 고리: 찢어진다<br>2. 뫼비우스의 띠: 접인다<br>                          (재활용 마크가 된다)<br>3. 롤러코스터에 사용된다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:42:45 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014887138</guid>
      </item>
      <item>
         <title>5단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014888177</link>
         <description><![CDATA[<div>롤러코스터</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:43:29 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014888177</guid>
      </item>
      <item>
         <title>7단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014888311</link>
         <description><![CDATA[<div>1 뫼비우스띠가아님<br>2 접힘<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:43:35 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014888311</guid>
      </item>
      <item>
         <title>1단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014888857</link>
         <description><![CDATA[<div>1.면의 개수는 2개이다.<br>2.모서리에 개수는 2개다<br>3.원통형 고리 2개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:44:00 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014888857</guid>
      </item>
      <item>
         <title>2-4</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014888995</link>
         <description><![CDATA[<div>두개의 고리가 생긴다<br>뫼비우스의 띠가 아니었기 때문에<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:44:06 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014888995</guid>
      </item>
      <item>
         <title>8단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014889378</link>
         <description><![CDATA[<div>두개의고리로나뉜다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:44:22 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014889378</guid>
      </item>
      <item>
         <title>6단계(7단계): 변형-2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014890046</link>
         <description><![CDATA[<div>1. 아니다<br>2.  접인다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:44:51 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014890046</guid>
      </item>
      <item>
         <title>½만큼 자른것을 또 ½만큼 자르기</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014890720</link>
         <description><![CDATA[<div>가운데  연결된 띠가 생기나 뫼비우스의 띠는 아니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:45:21 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014890720</guid>
      </item>
      <item>
         <title>과제 2-2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014891320</link>
         <description><![CDATA[<div>면의 개수 1개</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:45:47 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014891320</guid>
      </item>
      <item>
         <title>3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014891426</link>
         <description><![CDATA[<div>둘레가 큰 고리 하나와 작은 고리 하나로 나뉠 것이다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:45:51 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014891426</guid>
      </item>
      <item>
         <title>과제 2-3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014892448</link>
         <description><![CDATA[<div>고리 하나가 나온다<br>꼬여있다<br>아니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:46:36 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014892448</guid>
      </item>
      <item>
         <title>5</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014892462</link>
         <description><![CDATA[<div>에슬컬레이터<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:46:36 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014892462</guid>
      </item>
      <item>
         <title>7단계(8단계): 변형-3</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014893178</link>
         <description><![CDATA[<div>예상:뫼비우스의 띠가 되지는 않을 것 같다.<br>결과: 두 개의 고리로 나누어졌다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:47:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014893178</guid>
      </item>
      <item>
         <title>6</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014893457</link>
         <description><![CDATA[<div>원통형 고리는 찢어진다<br>삼각형처럼 생겼다<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:47:18 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014893457</guid>
      </item>
      <item>
         <title>6단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014893828</link>
         <description><![CDATA[<div>찌그러진다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:47:30 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014893828</guid>
      </item>
      <item>
         <title>7</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014894306</link>
         <description><![CDATA[<div>아니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:47:51 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014894306</guid>
      </item>
      <item>
         <title>8</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014895034</link>
         <description><![CDATA[<div>두개의 고리로 나뉜다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:48:23 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014895034</guid>
      </item>
      <item>
         <title>과제 2-4</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014895038</link>
         <description><![CDATA[<div>2개의 고리가 생긴다<br>뫼비우스의 띠가 아니기 떄문에<br>아니다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:48:23 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014895038</guid>
      </item>
      <item>
         <title>7단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014896030</link>
         <description><![CDATA[<div>재활용 마크처럼 생김</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:49:06 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014896030</guid>
      </item>
      <item>
         <title>8단계 </title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014896939</link>
         <description><![CDATA[<div>2개의 고리로 나뉨</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:49:45 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014896939</guid>
      </item>
      <item>
         <title>과제 2-5</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014897384</link>
         <description><![CDATA[<div>SKT의 로고</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:49:57 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014897384</guid>
      </item>
      <item>
         <title>과제 2-6</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014898794</link>
         <description><![CDATA[<div>고리가 찢어진다<br>뫼비우스가 접힌다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:50:56 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014898794</guid>
      </item>
      <item>
         <title>과제 2-7</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014900456</link>
         <description><![CDATA[<div>아니다<br>접힌다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:52:12 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014900456</guid>
      </item>
      <item>
         <title>과제 2-8</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014901061</link>
         <description><![CDATA[<div>두개로 나뉜다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:52:40 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014901061</guid>
      </item>
      <item>
         <title>사용 사례</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014907382</link>
         <description><![CDATA[목도리]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:57:19 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014907382</guid>
      </item>
      <item>
         <title>6단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014907619</link>
         <description><![CDATA[찌그러짐]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:57:31 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014907619</guid>
      </item>
      <item>
         <title>7단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014908362</link>
         <description><![CDATA[<div>뫼비우스의 띠가 아님</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:58:01 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014908362</guid>
      </item>
      <item>
         <title>8단계</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014908729</link>
         <description><![CDATA[<div>2개의 고리가 됨</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:58:17 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014908729</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014909887</link>
         <description><![CDATA[<div>https://images.app.goo.gl/paLCLWnroJfKGJFf9</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 05:59:09 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014909887</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014912111</link>
         <description><![CDATA[<div>https://blog.naver.com/pk8716/222095629246</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-14 06:00:39 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1014912111</guid>
      </item>
      <item>
         <title>칠교놀이 과제 2</title>
         <author>mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043067129</link>
         <description><![CDATA[<div>색종이로 만든 칠교조각으로 칠교모양을 만들어 봅시다~ (만든 모양 업로드 하기)</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663731268/3132f2812d5f0b21a1d6cf9438a3620a/______.jpg" />
         <pubDate>2020-12-27 15:47:54 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043067129</guid>
      </item>
      <item>
         <title>칠교놀이 과제1</title>
         <author>mathmail</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043070360</link>
         <description><![CDATA[<div>칠교놀이 조각에서 알게된 사실을 정리해봅시다. (예, 사각형1개와 삼각형5개, 평행사변형1개로 되어있다.)</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663731268/3132f2812d5f0b21a1d6cf9438a3620a/______.jpg" />
         <pubDate>2020-12-27 15:52:01 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043070360</guid>
      </item>
      <item>
         <title>과제1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043481537</link>
         <description><![CDATA[<div>칠교 조각은 두개의 큰삼각형, 두개의 작은 삼각형   , 중간크기의 삼각형, 사가형 평행사변형으로 이뤄져있다.<br><br>작은 삼각형 두개를합치면 중간크기의 삼각현과 사각형이 된다.<br><br><br><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 01:48:16 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043481537</guid>
      </item>
      <item>
         <title>칠교놀이</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043481903</link>
         <description><![CDATA[<div>정사각형의 넓이는 평행사변형의 넓이와 같다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 01:48:31 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043481903</guid>
      </item>
      <item>
         <title>과제2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043497107</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/712177647/e3cfa1add0be6196a1328a4cc99e2820/20201228_105752.jpg" />
         <pubDate>2020-12-28 01:59:46 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043497107</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043497619</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/712177647/bd3017ebeebf894eb32a27ba6cdbc246/20201228_105716.jpg" />
         <pubDate>2020-12-28 02:00:14 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043497619</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043497823</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/712177647/61a7c065d4970321b0dfffd5528a1442/20201228_105559.jpg" />
         <pubDate>2020-12-28 02:00:25 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043497823</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043498055</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/712177647/02d30a212e105d95c3a068849bec324e/20201228_105440.jpg" />
         <pubDate>2020-12-28 02:00:35 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043498055</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043498209</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/712177647/ce98e7883f6e9b89950207fd9d1ff149/20201228_105309.jpg" />
         <pubDate>2020-12-28 02:00:45 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043498209</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043505479</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/662198620/9457754df9f7bd25a8370035fbbec9f2/20201228_110241.jpg" />
         <pubDate>2020-12-28 02:06:19 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043505479</guid>
      </item>
      <item>
         <title>1. 칠교의 특징</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043514919</link>
         <description><![CDATA[<div>1. (1), (2), (3), (4), (5) 번 조각은 <br>    삼각형이다.<br>2. (6), (7) 번 조각은 사각형이다.<br>3.  칠교는 약 5000년 전에 중국에서 <br>     만들어졌다.<br>4. (1) 조각과 (2) 조각은 서로 <br>     크기가 같다.<br>5. (4)조각과 (5)조각도 크기가 같다.<br>6. (1) 조각과 (2) 조각을 합치면 정 <br>     사각형과 평생사변형을 만들 수 <br>     있다. <br>7. (4) 번과 (5)번을 합치면 (6)과 <br>    똑같은 정사각형, (3)번과 크기가 <br>    똑같은 삼각형, (7)과 똑같은 <br>    평행사변형을 만들 수 있다.  <br>8. (4), (5), (6)을 합치면 (1), (2)와 <br>    크기가 같은 삼각형과 사다리꼴이<br>    만들어진다<br>9.  (1), (2), (3)을 합쳐도 사다리꼴 <br>     모양이 만들어진다.<br>10. (4)와 (5) 사이에 (7)을 넣어 <br>       평행사변형과 직사각형을 만들 <br>       수 있다.<br>11.  삼각형 5개와 정사각형 1개, <br>        평행사변형 1개로 <br>        이루어져 있다.<br>12. 영어로는 'Tangram'이다.</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/928406420/36ab13423dcd4e2e9cf7a818d3380aa4/20201228_111817_68_.jpg" />
         <pubDate>2020-12-28 02:13:38 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043514919</guid>
      </item>
      <item>
         <title>칠교</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043555466</link>
         <description><![CDATA[<div>큰 삼각형 2개를 모으면 전체 정사각형의 반이 된다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 02:43:49 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043555466</guid>
      </item>
      <item>
         <title>2-1. 칠교모양</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043569353</link>
         <description><![CDATA[<div>칠교가 집에 있어서</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/928406420/0f62ec1a225712c31c1df83fc8304108/20201228_121223.jpg" />
         <pubDate>2020-12-28 02:56:07 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043569353</guid>
      </item>
      <item>
         <title>10717 권재민</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043591283</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/704333686/4e271aa3f3a3234f299eff94dbea907f/20201228_120414.jpg" />
         <pubDate>2020-12-28 03:15:27 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043591283</guid>
      </item>
      <item>
         <title>칠교 </title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043598273</link>
         <description><![CDATA[<div>서로다른 도형들이 모여 정사각형이 된다 </div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/663250383/f964bf5cd9806569a5593fe80d56b11f/KakaoTalk_20201228_122311369.jpg" />
         <pubDate>2020-12-28 03:22:14 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043598273</guid>
      </item>
      <item>
         <title>2-2.칠교모양</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043601502</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/928406420/bd677e5ff3601bd42d151fffb0821fc9/20201228_121241.jpg" />
         <pubDate>2020-12-28 03:25:43 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043601502</guid>
      </item>
      <item>
         <title>2-3. 칠교모양</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043602792</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/928406420/abb9e4d1fdfa29852799f585ea4ad2dc/20201228_121300.jpg" />
         <pubDate>2020-12-28 03:27:07 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043602792</guid>
      </item>
      <item>
         <title>2-4. 칠교모양</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043603576</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/928406420/a798bd53bd16bf5c2d091e864aba82b1/20201228_121453.jpg" />
         <pubDate>2020-12-28 03:27:57 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043603576</guid>
      </item>
      <item>
         <title>2-5.칠교모양</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043604700</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/928406420/ff8d57256a1eba55f9449c08d4c8e6b8/20201228_121631.jpg" />
         <pubDate>2020-12-28 03:29:08 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043604700</guid>
      </item>
      <item>
         <title>칠교의  특징</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043607554</link>
         <description><![CDATA[<div>삼각형 5개와 덩사각형 1개 평행 사젼형 1개로 이루어져 있다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 03:32:12 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043607554</guid>
      </item>
      <item>
         <title>칠교 모양</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043613001</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/928458993/2fbefdf03b39eb299c674153acd78847/16091266851752866216466212091154.jpg" />
         <pubDate>2020-12-28 03:38:23 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043613001</guid>
      </item>
      <item>
         <title>칠교과제1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043616698</link>
         <description><![CDATA[<div>1. (1),(2),(3),(4),(5)번은 삼각형이다 <br>2. (6)번은 사각형이다<br>3.(7)번은 평행사변형이다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 03:43:16 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043616698</guid>
      </item>
      <item>
         <title>칠교과제2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043618827</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/928459122/e6921ee3dc7d2e2616842b06fc830c3a/133701361_5120374164669976_3250719364516916226_n.jpg" />
         <pubDate>2020-12-28 03:45:58 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043618827</guid>
      </item>
      <item>
         <title>칠교과제</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043640078</link>
         <description><![CDATA[<div>1,2,3,4,5은 삼각형이다<br>6,7은 사각형이다 </div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 04:14:28 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043640078</guid>
      </item>
      <item>
         <title>칠교과제</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043650622</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/661098400/0660789f66a547c89eaf5ac4c7e61b06/image.jpg" />
         <pubDate>2020-12-28 04:26:20 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043650622</guid>
      </item>
      <item>
         <title>칠교놀이 과제 1</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043694891</link>
         <description><![CDATA[<div>가장 작은 삼각형은 두번째로 작은 삼각형의 넓이의 반이다.<br>가장 작은 삼각형의 넓이는 정사각형의 넓이의 반이다<br>두번째로 작은 삼각형의 넓이는 가장 큰 삼각형의 넓이의 반이다<br>가장 작은 삼각형의 긴 변의 길이는 평행사변형의 긴 변의 길이와 같다 <br>평행사변형의 짧은 변의 길이는 두번째로 큰 삼각형의 긴 변의 길이의 반이다<br>정사각형의 한 변의 길이는 가장 작은 삼각형의 짧은 변의 길이와 같다<br>가장 긴 삼각형의 짧은 변의 길이는 정사각형의 한 변, 삼각형의 짧은 변, 평행사변형의 짧은 변의 두 배이다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 05:09:20 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043694891</guid>
      </item>
      <item>
         <title>칠교놀이 과제 2</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043698646</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/701764232/ee751906d43b3e2e07e59c3c637cf27c/KakaoTalk_20201228_141919939.jpg" />
         <pubDate>2020-12-28 05:12:32 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043698646</guid>
      </item>
      <item>
         <title>칠교놀이 과제</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043711351</link>
         <description><![CDATA[<div>1. 칠교는 삼각형 5개, 사각형 1개, 그리고 평행사변형 1개로 이루어져 있습니다.<br>2. 칠교는 여러가지의 모양을 자유롭게 만들 수 있습니다.</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/664404435/ccf8d0b0d98c38b145b8f5f24b78dace/008494A1_6C01_441C_A71C_51D84C74D808.jpeg" />
         <pubDate>2020-12-28 05:24:42 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043711351</guid>
      </item>
      <item>
         <title>칠교놀이 과제1</title>
         <author>leeseokho001</author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043724614</link>
         <description><![CDATA[<div>조각으로 만들 수 있는 모양들이  많다는거를 알게되었다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 05:38:05 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043724614</guid>
      </item>
      <item>
         <title>칠교</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043737340</link>
         <description><![CDATA[<div>칠교는 삼각형 5개, 사각형 1개,<br>평행사변형 1개로  되어있다<br>칠교는 여러가지 모양을 만들수 있다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 05:51:22 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043737340</guid>
      </item>
      <item>
         <title>칠교놀이 과제</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043739646</link>
         <description><![CDATA[<div>다양한 도형이 합쳐져서 정사각형이 만들어진다</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 05:53:47 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043739646</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043739837</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/790152846/3dccb44163cc1c863c57dd4fd8d9cd84/20201228_141113.jpg" />
         <pubDate>2020-12-28 05:53:58 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043739837</guid>
      </item>
      <item>
         <title>조각들로 여러가지 모양을 만들수 있다</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043746201</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2020-12-28 06:00:28 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043746201</guid>
      </item>
      <item>
         <title>칠교과제</title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043771518</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/928431079/e64f37e17a57ae0d90aa331ce14b8b8b/KakaoTalk_20201228_144941295_01.jpg" />
         <pubDate>2020-12-28 06:21:16 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043771518</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043772753</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/928431079/12541a17fa5acc76f63ea2a100834b8c/KakaoTalk_20201228_144941295.jpg" />
         <pubDate>2020-12-28 06:22:28 UTC</pubDate>
         <guid>https://padlet.com/2020mathmail/gzf9cqj9stvdb943/wish/1043772753</guid>
      </item>
   </channel>
</rss>
