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      <title>Bài tập cuối chương I by Vân Anh nguyễn</title>
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      <description></description>
      <language>en-us</language>
      <pubDate>2025-10-07 02:49:50 UTC</pubDate>
      <lastBuildDate>2025-10-10 11:05:41 UTC</lastBuildDate>
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         <title>Câu hỏi </title>
         <author>vananh280402</author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621045428</link>
         <description><![CDATA[<p>Tính chất phép cộng các số hữu tỉ </p><p>Tính chất phép nhân các số hữu tỉ </p><p>Quy tắc chuyển vế</p>]]></description>
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      <item>
         <title>Đỗ trọng đức nhân</title>
         <author></author>
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         <pubDate>2025-10-07 03:05:26 UTC</pubDate>
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      <item>
         <title>Nguyễn Phúc Nguyên</title>
         <author></author>
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         <description><![CDATA[]]></description>
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         <pubDate>2025-10-07 03:06:01 UTC</pubDate>
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      <item>
         <title>Nguyen le minh</title>
         <author></author>
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         <pubDate>2025-10-07 03:06:31 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
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         <description><![CDATA[<p>Nguyễn Xuân Tùng</p>]]></description>
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         <pubDate>2025-10-07 03:06:38 UTC</pubDate>
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      <item>
         <title>đào cát tường</title>
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         <pubDate>2025-10-07 03:06:56 UTC</pubDate>
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      <item>
         <title>Lê Ngọc Linh</title>
         <author></author>
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         <pubDate>2025-10-07 03:07:32 UTC</pubDate>
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      <item>
         <title>Đào An Khang</title>
         <author></author>
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         <pubDate>2025-10-07 03:07:34 UTC</pubDate>
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      <item>
         <title>ngân Giang</title>
         <author></author>
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         <pubDate>2025-10-07 03:07:52 UTC</pubDate>
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      <item>
         <title>Tran Duc Gia Bao</title>
         <author></author>
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         <description><![CDATA[]]></description>
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         <pubDate>2025-10-07 03:07:53 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621049556</link>
         <description><![CDATA[<p>nguyễn tuấn kiệt</p><p><br/></p><p><br/></p>]]></description>
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         <pubDate>2025-10-07 03:08:24 UTC</pubDate>
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      <item>
         <title>Nguyễn Minh Anh</title>
         <author></author>
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         <pubDate>2025-10-07 03:09:12 UTC</pubDate>
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      <item>
         <title>Đặng Tuấn Dương</title>
         <author></author>
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         <pubDate>2025-10-07 03:09:23 UTC</pubDate>
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      <item>
         <title>Trần Trang Nhung</title>
         <author></author>
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         <pubDate>2025-10-07 03:09:57 UTC</pubDate>
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      <item>
         <title>Phuong Linh</title>
         <author></author>
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         <pubDate>2025-10-07 03:09:59 UTC</pubDate>
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      <item>
         <title>Nguyễn Huyền My</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621051947</link>
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         <pubDate>2025-10-07 03:10:15 UTC</pubDate>
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      <item>
         <title>Nguyễn Minh Hiền</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621052859</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-07 03:10:58 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621053036</link>
         <description><![CDATA[<p>Bảo Trâm</p><p>T/c phép cộng:giao hoán ,kết hợp,cộng với 0,cộng với số đối</p><p>T/c phép nhân:giao hoán,kết hợp,nhân với1,phân phối và nhân với số nghịch đảo</p><p><br/></p>]]></description>
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         <pubDate>2025-10-07 03:11:07 UTC</pubDate>
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      <item>
         <title>Nguyễn Nam khánh</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621053813</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-07 03:11:48 UTC</pubDate>
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      <item>
         <title>khoi</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621055534</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-07 03:13:21 UTC</pubDate>
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      <item>
         <title>Tuấn</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621057471</link>
         <description><![CDATA[<p>TC PHÉP CỘNG</p><p>giao hoán: a+b=b+a</p><p>kết hợp: a+(b+c)=(a+b)+c</p><p>cộng với số 0:a+0=a</p><p>2 số đối nhau: a + (-a) = 0</p><p>TC PHÉP NHÂN</p><p>tính chất giao hoán : a.b=b.a</p><p>tính chất kết hợp: a.(b.c)=(a.b).c</p><p>QUY TẮC DẤU NGOẶC</p><p>Quy tắc chuyển vế:( +) thi giữ nguyên số trong ngoặc(-) thì đổi dấu trong ngoặc</p><p><br/></p><p><br/></p>]]></description>
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         <pubDate>2025-10-07 03:14:54 UTC</pubDate>
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      <item>
         <title>Nguyễn Phương Chi</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621058306</link>
         <description><![CDATA[<p>Tính chất phép cộng các số hữu tỉ: </p><p>-Giao hoán: a+b=b+a</p><p>-Kết hợp: (a+b)+c = a+(b+c)</p><p>-Cộng với 0: a+0=0+a=a</p><p>-Cộng với số đối: a+(-a)=0.</p><p><br/></p><p><br/></p>]]></description>
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         <pubDate>2025-10-07 03:15:36 UTC</pubDate>
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      <item>
         <title>Ánh dương </title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621058497</link>
         <description><![CDATA[<p>Giao hoán/ ạ+b=b+a</p><p>Kết hợp/(a+b)+c=a+(b+c)</p><p>Công vs 0/a+0=0+a</p><p>Cộng số đối/a+(-a)</p><p> Phép nhân </p><p>Giao hoán: a.b=b.a</p><p>Kết hợp: a.(b.c)=(a.b)</p><p>Nhân vs 1:a.1=1.a=a</p>]]></description>
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         <pubDate>2025-10-07 03:15:45 UTC</pubDate>
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      <item>
         <title>Trần Khoa Mỹ An</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621061071</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-07 03:17:53 UTC</pubDate>
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      <item>
         <title>Nguyễn Tường Lam</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621064458</link>
         <description><![CDATA[<p>1.Tính chất phép cộng số hữu tỉ:</p><p>Giao hoán : a+b=b+a</p><p>Kết hợp: a+(b+c)= (a+b)+c</p><p>Cộng với số 0 : a+0=0+a</p><p>Cộng số đối : a+(-a)=0</p><p>2.Tính chất phép nhân số hữu tỉ</p><p>Giao hoán : a.b=b.a</p><p>Kết hợp : (a.b).c=a.(b.c)</p><p>Nhân với số 1 : a.1=1.a</p><p>Tính chất phân phối với phép cộng:</p><p>(a+b).c= a.c+b.c</p><p>3.Quy tắc chuyển vế</p><p>a+b=c  chuyển thành a=c-b</p><p>a-b=c chuyển thành a=c+b</p><p>                  </p><p><br></p>]]></description>
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         <pubDate>2025-10-07 03:20:43 UTC</pubDate>
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      <item>
         <title>Nguyễn Phương Chi</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621064799</link>
         <description><![CDATA[<p>Tính chất của phép nhân các số hữu tỉ:</p><p>-Giao hoán: a.b=b.a</p><p>-Kết hợp:a.(b.c)=(a.b).c</p><p>-Nhân với 1: a.1=1.a=a</p><p><br/></p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-07 03:20:54 UTC</pubDate>
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      <item>
         <title>Hồ Thị Kiều Trinh</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621065327</link>
         <description><![CDATA[<p>câu 1:</p><p><strong>giao hoán:a+b = b+a</strong></p><p><strong>kết hợp:(a+b)+c=a+(b+c)</strong></p><p><strong>cộng với 0: a+0=a</strong></p><p><strong>cộng với số đối:a+(-a)=0</strong></p><p><strong>câu 2:</strong></p><p><strong>giao hoán: a.b = b.a</strong></p><p><strong>kết hợp::(a.b).c = a.(b.c)</strong></p><p><strong>nhân với 1: a.1 = a</strong></p><p><strong>phân phối của phép nhân đối với phép cộng:a.(b+c) = a.b + a.c</strong></p><p><strong>câu 3:</strong></p><p><strong>x+y=z thành x=z-y</strong></p><p><strong>x-y=z thành x=z+y</strong></p>]]></description>
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         <pubDate>2025-10-07 03:21:18 UTC</pubDate>
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      <item>
         <title>Thúy Ngọc( Kiểm tra lý thuyết)^^</title>
         <author>dothuyngoczizz1210</author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621067486</link>
         <description><![CDATA[<p>+) Tính chất phép cộng các SHT</p><p>    Giao hoán: a+b=b+a</p><p>    Kết hợp: a+(b+c)=(a+b)+c</p><p>    Cộng với 0: a+0=a</p><p>    Cộng với số nghịch đảo: a+(-a)=0</p><p>+)Tính chất phép nhân các SHT</p><p>    Giao hoán: a . b = b . a</p><p>    Kết hợp: (a . b).c = a. (b . c)</p><p>    Nhân với 1: a . 1= a</p><p>    Nhân với 0: a . 0=0</p><p>    Phân phối phép cộng và phép nhân: a . b+a . c= a . (b+c)</p><p>    Nhân với số nghịch đảo: a . 1/a =1</p><p>+) Quy tắc chuyển vế:</p><p>    khi chuyển một số hạng từ vế này sang vế kia của một đẳng thức, ta phải đổi dấu số hạng đó</p><p>     a+b=c  chuyển vế : a=c-b</p><p>     a-b=c   chuyển vế: a=c+b</p><p>     </p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-07 03:23:01 UTC</pubDate>
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      </item>
      <item>
         <title>Phượng</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621067563</link>
         <description><![CDATA[<p>Tính chất phép cộng các số hữu tỉ</p><p>tính chất giao hoán :a+b=b+a </p><p>tính chất kết hợp: (a+b)+c=a+(b+c) </p><p>cộng với: 0:a+0=0+a=0</p><p>cộng với số đối: a+(-a)=0</p><p>Tính chất phép nhân các số hữu tỉ </p><p>giao hoán: a.b=b.a</p><p>kết hợp : (a.b).c=a.(b.c)</p><p>nhân với 1: a.1=1.a=a</p><p>Quy tắc chuyển vế thì uh..đổi dấu=)?</p><p><br></p>]]></description>
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         <pubDate>2025-10-07 03:23:05 UTC</pubDate>
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      </item>
      <item>
         <title>Đặng An Như</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621067684</link>
         <description><![CDATA[<p>       Tính chất phép cộng các số hữu tỉ:</p><ul><li><p>Giao hoán: a + b = b + a</p></li><li><p>Kết hợp: (a + b) + c = a + (b + c)</p></li><li><p>Cộng với số 0: a + 0 = 0 + a</p><p>Cộng với số đối: a + (-a) = a</p><p>Tính chất phép nhân các số hữu tỉ:</p></li><li><p>Giao hoán: a . b = b . a</p></li><li><p>Kết hợp: (a . b) . c = a . (b . c)</p></li><li><p>Nhân với số 0: a . 0 = 0</p></li><li><p>Nhân với số 1: a. 1 = 1 . a</p></li><li><p>Tính chất phân phối của phép nhân đối với phép cộng:</p></li><li><p>a . b + a . c = a . (b + c)</p><p>Quy tắc chuyển vế: a + (b - c) = a - b + c</p><p>                                  a - (b + c) = a + b -c                               </p></li></ul>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-07 03:23:12 UTC</pubDate>
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      <item>
         <title>Tên: Nguyễn Thu Uyên</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621067822</link>
         <description><![CDATA[<ol><li><p>Tính chất phép cộng các số hữu tỉ:</p><p>-Giao hoán: a+b=b+a</p><p>-Kết hợp: (a+b)+c=a+(b+c)</p><p>-Cộng với số 0: a+0=0+a=a</p><p>-Cộng với số đối: a+(-a)=0</p></li><li><p>Tính chất phép nhân các số hữu tỉ:</p><p>- Giao hoán: a.b=b.a</p><p>-Kết hợp: (a.b).c=a.(b.c)</p><p>-Nhân với số 1 : a.1 =1.a=a</p><p>-Tính chất phân phối giữa phép nhân và phép cộng:(a+b).c=a.c+b.c</p></li><li><p>Quy tắc chuyển vế:</p><ul><li><p>a+(b+c)=a+b+c</p></li><li><p>a+(b-c)=a+b-c</p></li><li><p>a-(b+c)=a-b-c</p></li><li><p>a-(b-c)=a-b+c</p></li></ul></li></ol>]]></description>
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         <pubDate>2025-10-07 03:23:19 UTC</pubDate>
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      <item>
         <title>phạm huy linhh</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621068408</link>
         <description><![CDATA[<p>tính chất phép cộng các số hữu tỉ :</p><ul><li><p>giao hoán : a+b = b+a</p></li><li><p>kết hợp : a+(b+c)= b+(a+c)</p></li><li><p>cộng với 0 : 0+a=a+0=a</p></li><li><p>cộng với số đối : (-a)+a</p><p>tính chất phép nhân các số hữu tỉ :</p></li><li><p>giao hoán : a.b=b.a</p></li><li><p>kết hợp : a.(b.c)=b.(a.c)</p></li><li><p>nhân với 1 : a.1=1.a=a</p></li><li><p>phân phối : a.c+a.b=a.(c+b)</p><p>Quy tắc chuyển vế : </p></li><li><p>a+b=c=&gt;a=c-b</p></li><li><p>c-a=b=&gt;c=a+b</p></li><li><p>                   HẾT</p><p><br/></p></li></ul><p><br/></p><p><br/></p>]]></description>
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         <pubDate>2025-10-07 03:23:46 UTC</pubDate>
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      <item>
         <title>Nguyễn Phương Chi</title>
         <author></author>
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         <description><![CDATA[<p>Quy tắc chuyển vế:</p><p>-x+y=z</p><p>  x     =z-y</p><p><br/></p><p>-x-y=z</p><p>  x    =z+y.</p>]]></description>
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         <pubDate>2025-10-07 03:26:20 UTC</pubDate>
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      <item>
         <title>NGÔ VIỆT BẮC</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621071970</link>
         <description><![CDATA[<p>Tính chất phép cộng số hữu tỉ :</p><p>-giao hoán : a+b=b+a</p><p>-kết hợp :(a+b)+c=a+(b+c)</p><p>-cộng với :a+0=0+a</p><p>-cộng với số đối : a+(-a)=0</p>]]></description>
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         <pubDate>2025-10-07 03:26:45 UTC</pubDate>
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      <item>
         <title>bài tập Toán</title>
         <author>dothuyngoczizz1210</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2025-10-07 03:27:51 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3621081237</link>
         <description><![CDATA[<p>tc phép cộng các số hữu tỉ là:</p><p>tc giao hoán;kết hợp;cộng với 0;cộng với số đối</p><p>tc phép nhân các số hữu tỉ là:</p><p>tính chất:kết hợp ; giao hoán ; phân phối; nhân với 0; nhân với 1</p><p>Quy tắc chuyển vế là:</p><p>+chuyển vế thành-</p><p>-chuyển vế thành+</p><p>vd: x+4=8 suy ra: x=8-4</p><p><br/></p>]]></description>
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         <pubDate>2025-10-07 03:34:35 UTC</pubDate>
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      <item>
         <title>bt toán cuỗi chương I</title>
         <author></author>
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         <pubDate>2025-10-08 16:15:22 UTC</pubDate>
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      <item>
         <title>Bài tập cuối chương 1- Đỗ T.Ngọc</title>
         <author>dothuyngoczizz1210</author>
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         <pubDate>2025-10-09 14:26:42 UTC</pubDate>
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      <item>
         <title></title>
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         <pubDate>2025-10-09 14:39:19 UTC</pubDate>
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         <title></title>
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         <title></title>
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         <title></title>
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         <title></title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3625438836</link>
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         <pubDate>2025-10-09 14:42:10 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3625561029</link>
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         <pubDate>2025-10-09 16:04:26 UTC</pubDate>
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         <title></title>
         <author></author>
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         <title></title>
         <author></author>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3625563964</link>
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         <pubDate>2025-10-09 16:06:29 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3625564522</link>
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         <pubDate>2025-10-09 16:06:49 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3625565370</link>
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         <pubDate>2025-10-09 16:07:28 UTC</pubDate>
         <guid>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3625565370</guid>
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      <item>
         <title>Tuấn nộp BTVN</title>
         <author></author>
         <link>https://padlet.com/vananh280402/ks6dkvjqto04wk0s/wish/3625602918</link>
         <description><![CDATA[<p>Con sắp chết r cô </p>]]></description>
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         <pubDate>2025-10-09 16:34:53 UTC</pubDate>
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