연립방정식의 활용(2-4) by 박연아

연립방정식의 활용(2-4) by 박연아 https://padlet.com/yuna7933/5l74v1cb4l80pytg 학번 이름을 먼저 적으세요 en-us 2021-06-01 06:46:47 UTC 2023-07-01 17:01:28 UTC hello@padlet.com yuna7933 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1575446059 승희는 학교 미술 수업 준비물로 색연필 2자루와 도화지 10장을 구입하고 3400원을 지불하였다. 색연필 1자루가 도화지 1장보다 500원 더 비싸다고 할 때, 색연필 1자루와 도화지 1장의 가격을 각각 구하시오.]]> 2021-06-01 06:46:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1575446059 yuna7933 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1575446062 영훈이는 친구와 함께 농구 경기를 하였는데, 2점 슛과 3점 슛을 합하여 모두 14골을 넣어 32점을 얻었다. 영훈이가 2점 슛과 3점 슛을 각각 몇 골씩 넣었는지 구하시오.]]> 2021-06-01 06:46:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1575446062 yuna7933 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1575446066 어떤 두 자리 자연수에서 각 자리의 수의 합은 9이고, 십의 자리의 숫자와 일의 자리의 숫자를 서로 바꾼 수는 처음 수보다 27만큼 크다. 이때 처음 수를 구하시오.]]> 2021-06-01 06:46:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1575446066 yuna7933 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1575446069 자율 주행 자동차를 시험하기 위하여 출발지로부터 50km 떨어진 지점까지 자동차로 이동하였다. 처음에는 시속 40km로 달리다가 남은 거리는 시속 60km로 달렸더니 총 1시간이 걸렸다. 이때 자율 주행 자동차가 시속 40km로 달린 거리와 시속 60km로 달린 거리를 각각 구하고, 그 풀이 과정을 쓰시오]]> 2021-06-01 06:46:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1575446069 20423 이주아 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578688782 x= y+500
2x+10y=3400
2(y+500)+10y=3400
2y+1000+10y=3400
12y=2400
y=200
x=200+500
x=700
색연필 1자루, 700원
도화지 1장, 200원]]> 2021-06-02 06:16:59 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578688782 20412민연희 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578688906 2021-06-02 06:17:03 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578688906 20417 양우석 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578688949 2x+10y=3400
x=y+500
2y+1000+10y=3400
12y=2400
y=200
2x+2000=3400
x=700
색:700원
도:200원]]> 2021-06-02 06:17:05 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578688949 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578688950 2021-06-02 06:17:05 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578688950 20405김경섭 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689006 2x+10y=3400
x=y+500
2(y+500)+10y=3400
2y+1000+10y=3400
12y=2400
y=200 2x+2000=3400 2x=1400
x=700]]> 2021-06-02 06:17:06 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689006 20419 유아인 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689026 2021-06-02 06:17:07 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689026 20430 정해린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689053 2021-06-02 06:17:08 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689053 20418 유소선 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689062 X= 700]]> 2021-06-02 06:17:09 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689062 20414송유찬 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689231 2X+10Y=3400
X=Y+500
2Y+1000+10Y=3400
12Y=2400
Y=200
X=200+500
X=700]]> 2021-06-02 06:17:15 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689231 20416 안정현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689252 2021-06-02 06:17:16 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689252 20427 장상훈 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689314 2021-06-02 06:17:18 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689314 20426장나경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689558 2021-06-02 06:17:25 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689558 20428정다혜 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689659 2021-06-02 06:17:28 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689659 20402권도윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689683 2021-06-02 06:17:29 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689683 20422이상현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689933 2021-06-02 06:17:37 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578689933 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578690226 x=색연필 한자루 가격
y=도하지 1장의 가격
2x+10y=3400
x=y+500
2(y+500)+10y=3400
2y+1000+10y=3400
12y+1000=3400
12y=3400-1000
12y=2400 둘다 12로 나누기
y=200
x+200+500
x=700
x=700, y=200]]> 2021-06-02 06:17:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578690226 20401 강건우 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578690245 색연필 700원 도화지 200원

2x + 10y = 3400
x=y+500

2(y+500)+10y = 3400

2y + 1000 + 10y = 3400
12y=2400

y= 200

2x + 10(200) = 3400

2x + 2000 + 3400

2x + 1400

x= 700]]> 2021-06-02 06:17:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578690245 20431조부연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578690280 2021-06-02 06:17:48 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578690280 20406 김령경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578690425 2021-06-02 06:17:53 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578690425 20424이혜서 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578691028 x=색연필 1자루의 가격
y=도화지 1장의 가격
2x+10y=3400
x=y+500
2(y+500)+10y=3400
2y+1000+10y=3400
12y=2400
y=200, x=700]]> 2021-06-02 06:18:08 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578691028 20420 유하람 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578691940 2x+10y=3400
x=y+500
2y+1000+10y=3400
12y=2400
y=200
2x+2000=3400
x=700

]]> 2021-06-02 06:18:35 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578691940 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578693255 2x+10y=3400
x=y+500
2y+1000+10y=3400
12y=2400
y=200
2x+2000=3400
x=700
색연필 700원
도화지 200]]> 2021-06-02 06:19:20 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578693255 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578693372 20403김가빈]]> 2021-06-02 06:19:23 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578693372 20411두호제 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578693654 2021-06-02 06:19:30 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578693654 20417 양우석 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578694363 x+y=9
10y+x=10x+y+27
x+y=9
-9x+9y=27
9x+9y=81
-9x+9y=27
18y=108
y=6
x+6=9
x=3
10x+y=36]]> 2021-06-02 06:19:52 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578694363 20427 장상훈 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578694694 2021-06-02 06:20:02 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578694694 20412민연희 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578696835 2021-06-02 06:20:56 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578696835 20405김경섭 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578697094 x+y=9
10y+x=10x+y+27
-9x+9y=27
9x+9y=81
18y=108
y=6
x+6=9
x=3
10x+y=36

]]> 2021-06-02 06:21:04 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578697094 20416 안정현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578698653 x+y=9
10y+x=10x+y+27
-9x+9y=81
18y=108
y=6
x+6=9
x=3]]> 2021-06-02 06:21:46 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578698653 20432 최태헌 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578699291 x=y+500
2x+10y=3400
2y+1000+10y=3400
12y=2400
y=200
2x+200=3400
x=700
답: x=700, y=200]]> 2021-06-02 06:22:03 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578699291 20427 장상훈 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578699422 2021-06-02 06:22:07 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578699422 20406 김령경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578699458 2021-06-02 06:22:08 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578699458 20414송유찬 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578699883 X+Y=9
10X+Y=10Y+X-27
-9Y+9X=27
9Y+9X=81
18X=-54
X=-3
Y=9+3
Y=12]]> 2021-06-02 06:22:21 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578699883 20423 이주아 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578701002 x+y=9
10x+y=10y+x-27
9x-9y=-27
9x+9y=81
-18y=-108
y=6
x=3
처음 수, 36]]> 2021-06-02 06:22:45 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578701002 20426장나경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578701630 2021-06-02 06:23:04 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578701630 20412민연희 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578701860 2021-06-02 06:23:09 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578701860 20417 양우석 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578702629 x+y=14
2x+3y=32
2x+2y=28
-2x-3y=-32
-y=4
y=4
x+4=14
x=10
2점:10골
3점:4골]]> 2021-06-02 06:23:31 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578702629 20407 김예린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703042 2021-06-02 06:23:44 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703042 20429정서연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703382 2021-06-02 06:23:54 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703382 20411두호제 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703425 2021-06-02 06:23:55 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703425 20428정다혜 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703550 x+y=9
10y+x=10x+y+27
x+y=9
-9x+9y=27
9x+9y=81
-9x+9y=27
18y=108
y=6
x+6=9
x=3
x=3, y=6
10x+y=(3*10)+6 = 36
36]]> 2021-06-02 06:24:00 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703550 20406 김령경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703737 2021-06-02 06:24:06 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703737 20427 장상훈 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703845 40km로 달린거리 = x
60km로 달린거리 = y
x+y=50
x/40+y/60=1
120(x/40+y/60)=120
3x+2y=120

x=50-y
3(50-y)+2y=120
150-3y+2y=120
-y=-30
y=30
x=20]]> 2021-06-02 06:24:10 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578703845 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578704039 x+y=9
10y+x=10x+y+27

]]> 2021-06-02 06:24:16 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578704039 20418 유소선 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578704115 2021-06-02 06:24:19 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578704115 20405김경섭 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578704654 x+y=14
2x+3y=32
2x+2y=28
2x+3y=32
-y=-4
y=4
x+4=14
x=10]]> 2021-06-02 06:24:35 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578704654 20419 유아인 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578704802 2021-06-02 06:24:40 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578704802 20408 김태양 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578704823
y=200
2x+2000=3400
X=700
색 700원 도200원]]> 2021-06-02 06:24:41 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578704823 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578705553 2021-06-02 06:25:05 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578705553 20419 유아인 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578705659 2021-06-02 06:25:09 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578705659 20410 김희진 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578705937 x=y+500
2x+10y=3400
2 (y+500)+10y=3400
2y+1000+10y=3400
12y=2400
y=200 x=700
색연필 : 700원 도화지 : 200원

]]> 2021-06-02 06:25:19 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578705937 20409 김희수 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578706794 2x+10y=3400
x=y+500
2(y+500)+10y=3400
2y+1000+10y=3400
12y+1000=3400
12y=2400
y=1200]]> 2021-06-02 06:25:44 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578706794 20406 김령경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578708160 2021-06-02 06:26:28 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578708160 20417양우석 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578708379 x+y=50
x/40+y/60=1
x+y=50
3x+2y=120
3x+3y=150
-3x-2y=-120
y=30
x+30=50
x=20
20/40+30/60=1
1/2+1/2=1
x:20km y:30km]]> 2021-06-02 06:26:36 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578708379 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578709397 x+y=14
2x+3y=32
2x+2y=28
2x+3y=32
-y=-4
y=4
x+4=14
x=10]]> 2021-06-02 06:27:10 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578709397 20413 박지후 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578709561 2021-06-02 06:27:16 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578709561 20412민연희 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578710264 2021-06-02 06:27:39 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578710264 20429정서연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578710478 2021-06-02 06:27:45 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578710478 20419 유아인 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578711162 2021-06-02 06:28:08 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578711162 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578712058 20403김가빈 ]]> 2021-06-02 06:28:34 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578712058 20405김경섭 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578712240 x+y=50]]> 2021-06-02 06:28:40 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578712240 20422이상현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578713034 x= y+500
2x+10y=3400
2(y+500)+10y=3400
2y+1000+10y=3400
12y=2400
y=200
x=200+500
x=700
색연필 1자루, 700원
도화지 1장, 200원]]> 2021-06-02 06:29:06 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578713034 20422익상현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578713782 x+y=9
10x+y=10y+x+27
x+y=9
9x-9y=27
9x+9y=81
-18y=-54
y=3
x+3=9]]> 2021-06-02 06:29:30 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578713782 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578713808 x+y=9
10y+x=10x+y+27
x+y=9
-9x+9y=27
9x+9y=81
-9x+9y=27
18y=108
y=6
x+6=9
x=3
x+
10x+y=36]]> 2021-06-02 06:29:30 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578713808 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714124 20408 김태양]]> 2021-06-02 06:29:42 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714124 20422이상현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714320 x+y=14
2x+3y=32
2x+2y=28
-2x-3y=-32
-y=4
y=4
x+4=14
x=10
2점:10골
3점:4골]]> 2021-06-02 06:29:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714320 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714404 20408 김태양]]> 2021-06-02 06:29:50 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714404 20407 김예린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714485 따라서 x=3, y=6이므로 처음 수는
10x+y=36]]> 2021-06-02 06:29:52 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714485 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714694 20408 김태양]]> 2021-06-02 06:29:59 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714694 20422이상현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714732 x+y=50
x/40+y/60=1
x+y=50
3x+2y=120
3x+3y=150
-3x-2y=-120
y=30
x+30=50
x=20
20/40+30/60=1
1/2+1/2=1
x:20km y:30kmㅍ]]> 2021-06-02 06:30:00 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578714732 20424이혜서 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578715428 x=십의 자리 숫자
y=일의 자리 숫자
x+y=9
10y+x=10x+y+27
9x-9y=-27
x-y=-3
+ x+y=9
2x=6
x=3, y=6
답:36]]> 2021-06-02 06:30:20 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578715428 20429정서연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578715543 2021-06-02 06:30:24 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578715543 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578715635 2021-06-02 06:30:27 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578715635 20428정다혜 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716097 2021-06-02 06:30:43 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716097 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716145 x+y=50
x/40+y/60=1
x+y=50
3x+2y=120
3x+3y=150
-3x-2y=-120
y=30
x+30=50
x=20
20/40+30/60=1
1/2+1/2=1
x:20km y:30km]]> 2021-06-02 06:30:45 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716145 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716272 2021-06-02 06:30:49 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716272 20428정다혜 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716346 2021-06-02 06:30:52 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716346 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716535 2021-06-02 06:30:57 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716535 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716573 2021-06-02 06:30:58 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578716573 20423 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578717236
모르겠어요]]> 2021-06-02 06:31:17 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578717236 20423 이주아 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578720466 x+y=50
x/40+y/60=1
3x+2y=120
2x+2y=100
x=20km
y=30km
시속 40km으로 달린 거리=20km
시속 60km으로 달린 거리=30km

]]> 2021-06-02 06:33:03 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578720466 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578721602 2021-06-02 06:33:33 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578721602 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578722463 x+y=14
2x+3y=32
2x+2y=28
2x+3y=32
-y=-4
y=4
x=14-4
x=10]]> 2021-06-02 06:34:00 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578722463 20413 박지후 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578722843 2021-06-02 06:34:13 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578722843 20424이혜서 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578725750 x=2점 슛의 개수
y=3점 슛의 개수
x+y=14
2x+3y=32
x=14-y
2(14-y)+3y=32
28-2y+3y=32
y=4, x=10]]> 2021-06-02 06:35:43 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578725750 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578725992 x+y=50
x/40+y/60=1
x+y=50
3x+2y=120
-x=-20
x=20
y=30]]> 2021-06-02 06:35:53 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578725992 20407 김예린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578727780 2021-06-02 06:36:48 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578727780 20424이혜서 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578728316 x=시속 40km로 달린 거리
y=시속 60km로 달린 거리
x+y=50 x=50-y
x/40+y/60=1
3x+2y=120
3(50-y)+2y=120
150-3y+2y=120
-y=-30
y=30, x=20
시속 40km로 달린 거리=20km
시속 60km로 달린 거리=30km

]]> 2021-06-02 06:37:07 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578728316 20407 김예린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578835122 2021-06-02 07:30:04 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1578835122 20413 박지후 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1579020476 2021-06-02 09:18:40 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1579020476 20413 박지후 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1579035792 2021-06-02 09:30:02 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1579035792 20401 강건우 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1579213489 x+y=9 --> x = -y+9

10y+x = 10x + y + 27

10y-y+9=-10y+90 +y+27

18y=108
y=6
x+6=9 --> x=3

x=3 y=6]]> 2021-06-02 11:47:12 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1579213489 20401 강건우 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1579272894 x+y=14 x=14-y
2x+3y=32
2(14-y)+3y=32

28-2y+3y=32
y=4

x+4=14 x=10

x=10 y=4]]> 2021-06-02 12:20:00 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1579272894 20401 강건우 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1579368409 x+y=50
x/40+y/60=1

x=50-y
3x+2y=120

3(50-y)+2y=120
150-3y+2y=120
-y=-30 y=30

x+30=50 x=20

x=20, y=30]]> 2021-06-02 12:59:43 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1579368409 20428정다혜 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597719250 2021-06-10 05:21:49 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597719250 20419 유아인 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597719613 장미=x / 카네이션=y
x+y=22
500x+700y=14800
14800-2000=12800
x=-y+22
500(-y+22)+700y=12800
-500y+11000+700y=12800
200y=12800-11000
200y=1800
y=9
x=-9+22
x=13]]> 2021-06-10 05:22:01 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597719613 20412민연희 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597719783 2021-06-10 05:22:07 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597719783 20420 유하람 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597719900

x= y+500
2x+10y=3400
2(y+500)+10y=3400
2y+1000+10y=3400
12y=2400
y=200
x=200+500
x=700
색연필 1자루, 700원
도화지 1장, 200원

]]> 2021-06-10 05:22:11 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597719900 20405김경섭 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720175 x=y+500
2x+10y=3400
2(y+500)+10y=3400
12y=2400
y=200
x=200+500
x=700]]> 2021-06-10 05:22:21 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720175 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720193 x= y+500
2x+10y=3400
2(y+500)+10y=3400
2y+1000+10y=3400
12y=2400
y=200
x=200+500
x=700
색연필 1자루, 700원
도화지 1장, 200원]]> 2021-06-10 05:22:22 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720193 20420 유하람 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720334 x+y=9
10y+x=10x+y+27
x+y=9
-9x+9y=27
9x+9y=81
-9x+9y=27
18y=108
y=6
x+6=9
x=3
10x+y=36]]> 2021-06-10 05:22:27 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720334 20432 최태헌 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720647 x= y+500
2x+10y=3400
2(y+500)+10y=3400
2y+1000+10y=3400
12y=2400
y=200
x=200+500
x=700
색연필 1자루, 700원
도화지 1장, 200원]]> 2021-06-10 05:22:37 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720647 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720681 2021-06-10 05:22:38 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720681 20420 유하람 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720766 x+y=14 x=14-y
2x+3y=32
2(14-y)+3y=32

28-2y+3y=32
y=4

x+4=14 x=10

x=10 y=4]]> 2021-06-10 05:22:41 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720766 20406 김령경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720833 2021-06-10 05:22:43 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720833 20422이상현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720952 장미개수 x 카네이션개수 y
x+y=22
500x+700y=12800
장미구해야 하므로 y 소거
700x+700y=15400
-200x=-2600
x=13
y=9
검산13+9=22이므로 맞다]]> 2021-06-10 05:22:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597720952 20426 장나경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597721139 장미 개수x
카네이션 개수y
x+y=22
500x+700y+2000+14800
5(-y+22)+7y=128
y=9
x=13

]]> 2021-06-10 05:22:54 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597721139 20415삼유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597721579 색연필 x 도화지 y

x=y+500
2x+10y=3400
2y+1000+10y=3400
12y=2400 y=200
x=700
색연필 한자루 700원
도화지 한장 200원

]]> 2021-06-10 05:23:09 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597721579 20401 강건우 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597721636 x = 장미의 개수
y = 카네이션 개수

x+y=22
500x+700y+2000=14800

500x+700(22-x)= 12800
-200x = -2600

x= 13 13송이]]> 2021-06-10 05:23:11 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597721636 20420 유하람 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597721912 40km로 달린거리 = x
60km로 달린거리 = y
x+y=50
x/40+y/60=1
120(x/40+y/60)=120
3x+2y=120

x=50-y
3(50-y)+2y=120
150-3y+2y=120
-y=-30
y=30
x=20

]]> 2021-06-10 05:23:21 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597721912 20430 정해린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597722728 장미:x
카네이션:22-x
500x+700(22-x)+2000=14800
500x+15400-700x=12800
200x=2600
x=13
13송이]]> 2021-06-10 05:23:46 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597722728 200427 장상훈 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723424 x = 장미의 개수
y = 카네이션 개수
x+y=22
500x+700y+2000=14800
500(22-y)+700y+2000=14800

11000-500y+799y+2000=14800
200y=1800
y=9
x=13

]]> 2021-06-10 05:24:09 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723424 20405김경섭 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723435 x+y=900
10x+y=10y+x+27
-9x+9y=27
9x+9y=81
18y=108
y=6
x+6=9
x=3
10x+y=36]]> 2021-06-10 05:24:09 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723435 20420 유하람 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723782 2021-06-10 05:24:22 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723782 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723791 20403김가빈 ]]> 2021-06-10 05:24:22 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723791 20402권도윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723883 2021-06-10 05:24:25 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723883 20417 양우석 yangwooseok0308 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723973 x 장미의 개수
y 카네이션 개수

x+y=22
500x+700y+2000=14800
500x+700(22-y)=12800
-200x=-2600
x= 13
13송이

]]> 2021-06-10 05:24:29 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597723973 20431 조부연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597724126 2021-06-10 05:24:34 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597724126 20416 안정현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597724810 x+y=14 x=14-y
2x+3y=32

2(14-y)+3y=32

28-2y+3y=32
y=4

x+4=`14 x=10]]> 2021-06-10 05:24:56 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597724810 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597726085 x+y=9
x+10y=10x+y+27
x+y=9
-9x+9y=27
9x+9y=81
-9x+9y=27
18y=108 y=6
x+6=9 x=3
36]]> 2021-06-10 05:25:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597726085 20414송유찬 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597726114 X+Y=14
2X+3Y=32

28-2Y+3Y=32
Y=4
X=10]]> 2021-06-10 05:25:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597726114 20408 김태양 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597726805 X=장미의 개수
y=카네이션 개수]]> 2021-06-10 05:26:10 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597726805 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597726915 x+y=9
10y+x=10x+y+27
-9x+9y=27
9x+9y=81
18y=108
y=6
x+6=9
x=3
10x+y=36

]]> 2021-06-10 05:26:15 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597726915 20429정서연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597727127 2021-06-10 05:26:23 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597727127 20423 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597727275 x= 장미 개수
y=카네이션 개수
x+y=22
500x+700y+2000=14800
500x+700y=12800
500x+500y=11000
200y=1800
y=9
x=13
장미의 개수 13송이]]> 2021-06-10 05:26:29 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597727275 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597727576 20403김가빈 ]]> 2021-06-10 05:26:41 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597727576 20405김경섭 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597727594 x+y=14 x=14-y
2x+3y=32
2(14-y)+3y=32
2x+3y+=32
y=4
2x+12=32
2x=20
x=10]]> 2021-06-10 05:26:41 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597727594 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597727687 2021-06-10 05:26:44 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597727687 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597728224 x+y=14 x=14-y
2x+3y=32
2(14-y)+3y=32

28-2y+3y=32
y=4

x+4=14 x=10

x=10 y=4]]> 2021-06-10 05:27:05 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597728224 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597729008 40km로 달린거리 = x
60km로 달린거리 = y
x+y=50
x/40+y/60=1
120(x/40+y/60)=120
3x+2y=120

x=50-y
3(50-y)+2y=120
150-3y+2y=120
-y=-30
y=30
x=20]]> 2021-06-10 05:27:37 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597729008 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597729806 20424이혜서]]> 2021-06-10 05:28:06 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597729806 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597730004 장미=x / 카네이션=y
x+y=22
500x+700y=14800
14800-2000=12800
x=-y+22
500(-y+22)+700y=12800
-500y+11000+700y=12800
200y=12800-11000
200y=1800
y=9
x=-9+22
x=13]]> 2021-06-10 05:28:12 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597730004 20407 김예린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597730328 색연필 1자루: 700원, 도화지 1장: 200원]]> 2021-06-10 05:28:24 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597730328 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597730339 2021-06-10 05:28:24 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597730339 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597731497 x+y=14
2x+3y=32
2x+2y=28
y=4
x=10]]> 2021-06-10 05:29:10 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597731497 20405김경섭 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597732145 x+y=50
x/40+y/60=1
x=50-y
3(50-y)+2y=120
150-3y+2y=120
-y=-30
y=30
x+30=50
x=20]]> 2021-06-10 05:29:29 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597732145 20416 안정현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597733108 x+y=50
x/40+y/60=1
120(x/40+y?60)=120
3x+2y=120

x=50-y
3(50-y)+2y

]]> 2021-06-10 05:30:08 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597733108 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597733331 x=40킬로미터로 달린거리
y=육십키로미터로 달린거리
x+y=50
40분의x+60분의y=120
x+y=50
3x+2y=]]> 2021-06-10 05:30:16 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597733331 20407 김예린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597734918 꽃바구니에 장미가 x송이, 카네이션이 y송이 있다면
x+y=22 ...ㄱ
500x+700y+2000=14800 ...ㄴ
ㄱ에서 x=22-y ...ㄷ
ㄴ에서 5x+7y=128 ...ㄹ
ㄷ을 ㄹ에 대입하면
5(22-y)+7y=128
110-5y+7y=128
2y=18
y=9, x=22-9=13
따라서 장미의 개수는 13송이이다.

]]> 2021-06-10 05:31:21 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597734918 20431 최태헌 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597737209 x+y=9
x+10y=10x+y+27
x+y=9
-9x+9y=27
9x+9y=81
-9x+9y=27
18y=108 y=6
x+6=9 x=3
36]]> 2021-06-10 05:32:46 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597737209 20405김경섭 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597738234 장미=x
카네이션=y
x+y=22
500x+700y+2000=14800
500x+700y=12800
500x+500y=11000
500x+700y=12800
-200y+-1800
y=9
x+9=22
x=13
장미 13송이

]]> 2021-06-10 05:33:22 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597738234 20420 유하람 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597738519 x = 장미의 개수
y = 카네이션 개수
x+y=22
500x+700y+2000=14800
500(22-y)+700y+2000=14800

11000-500y+799y+2000=14800
200y=1800
y=9
x=13

]]> 2021-06-10 05:33:31 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597738519 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597738544 2021-06-10 05:33:32 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597738544 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597738666 장미=x카네시연=y
x+y=22
500x+700y+2000=14800
x+y=22
500x+700y=12800
11000-500y+700y+=12800
200y=1800 y=9
x=1

]]> 2021-06-10 05:33:36 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597738666 20410 김희진 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597944270 x+y=22
500x+700y+2000=14800
500x+500x=11000
500x+700y=12800

-200y=-1800
y=9,x=13
13송이]]> 2021-06-10 07:18:06 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1597944270 20419 유아인 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608859152 2021-06-16 01:27:03 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608859152 20406 김령경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608863020 X= 연필의 개수
Y = 볼펜의 개수

]]> 2021-06-16 01:28:56 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608863020 20412민연희 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608863282 2021-06-16 01:29:05 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608863282 20419 유아인 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608864645 2021-06-16 01:29:46 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608864645 20427 장상훈 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608865276 100x+250y=1450
10x+25y=145
x+y=10
x=10-y
10(10-y)+25y=145
100-10y+25y=145
15y=45
y=3, x=7
7자루

]]> 2021-06-16 01:30:03 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608865276 20417 양우석 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608865394 X=연필 y=볼펜
x+y=10
2x+5y=29
2x+2y=20
-2x-5y=-29
-3y=-9
y=3
x+3=10
x=7
7자루

]]> 2021-06-16 01:30:07 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608865394 20424이혜서 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608865743 x=연필의 개수
y=볼펜의 개수
100x+250y=1450
10x+25y=145
x+y=10
x=10-y
10(10-y)+25y=145
100-10y+25y=145
15y=45
y=3, x=7
답:7자루]]> 2021-06-16 01:30:18 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608865743 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608866060 x= 연필 y=볼펜
x+y=10
100x+250y=1450
x+y=10
2x+5y=29
-3y=-9 y=3
x=7 7곱자루]]> 2021-06-16 01:30:23 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608866060 20426 장나경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608866495 2021-06-16 01:30:37 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608866495 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608867977 2021-06-16 01:31:20 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608867977 20429정서연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608868352 2021-06-16 01:31:32 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608868352 20428정다혜 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608868729 미지수x= 연필 y=볼펜으로 두었을 때
x+y=10
100x+250y=1450
x+y=10
2x+5y=29
5x+5y=50
2x+5y=29
3x=21
x=7
7곱자루
100원짜리 연필을 7자루 구매했다.]]> 2021-06-16 01:31:44 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608868729 20406 김령경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608870014 2021-06-16 01:32:18 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608870014 20412민연희 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608870436 2021-06-16 01:32:31 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608870436 20419 유아인 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608871282 2021-06-16 01:32:57 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608871282 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608871939 20403김가빈 ]]> 2021-06-16 01:33:16 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608871939 20424이혜서 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608874534 x=공 모양 초콜릿의 개수
y=별 모양 초콜릿의 개수
x+y=16
x=16-y
5x+3y+13=75
5x+3y=62
5(16-y)+3y=62
80-5y+3y=62
-2y=-18
y=9, x=7
답:9개

]]> 2021-06-16 01:34:23 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608874534 20429정서연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608875137 2021-06-16 01:34:42 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608875137 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608876520 x+y=16
5x+3y=62
3x+3y=48
5x+3y=62
-2x=-14 x=7
y=9 9개]]> 2021-06-16 01:35:23 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608876520 20428정다혜 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608876957 2021-06-16 01:35:36 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608876957 📹20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608877189 2021-06-16 01:35:43 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608877189 20423이주아 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608877672 2021-06-16 01:35:58 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608877672 20406 김령경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608878447 2021-06-16 01:36:21 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608878447 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608879026 2021-06-16 01:36:38 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608879026 20412민연희 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608879583 2021-06-16 01:36:55 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608879583 20415심유 simryu82 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608879802 2021-06-16 01:37:01 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608879802 20402권도윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608880125 2021-06-16 01:37:11 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608880125 20401 강건우 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608880503 2021-06-16 01:37:22 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608880503 20424이혜서 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608885761 x=남학생 수
y=여학생 수
x+y=45
x=45-y
0.75x+0.84y=45×0.8
75x+84y=45×80
75x+84y=3600
75(45-y)+84y=3600
3375-75y+84y=3600
9y=225
y=25, x=20
안경을 쓴 여학생=25×0.84=21
답:21명]]> 2021-06-16 01:40:01 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608885761 20417 양우석 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608886324 X=공 Y=별
X+y=16
5x+3y+13=75
X+y=16
5x+3y=62
5x+5y=80
-5×-3y=-62
2y=18
y=9]]> 2021-06-16 01:40:17 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608886324 20429정서연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608904501 2021-06-16 01:49:24 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608904501 20407 김예린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608907360 2021-06-16 01:50:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608907360 20407 김예린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608922675 2021-06-16 01:57:53 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608922675 20407 김예린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608942841 2021-06-16 02:08:24 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1608942841 20427 장상훈 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1610360028 2021-06-16 16:21:51 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1610360028 20427 장상훈 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1610369061 2021-06-16 16:26:27 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1610369061 여기를 클릭하면 들어갈 수 있어요. yuna7933 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611524096 2021-06-17 04:48:57 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611524096 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611538433 20408 김태양
x+y=10
2x+5y=29
2x+2y=20
3y=9
y=3
X=7]]> 2021-06-17 04:58:37 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611538433 20419 아이닝♡ https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611538808 25(10 + 10/3 ) = 250 +250/3/ = 1000/3]]> 2021-06-17 04:58:53 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611538808 20421 윤성식 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611542889 x=남학생 수
y=여학생 수
x+y=45
x=45-y
0.75x+0.84y=45×0.8
75x+84y=45×80
75x+84y=3600
75(45-y)+84y=3600
3375-75y+84y=3600
9y=225
y=25, x=20
안경을 쓴 여학생=25×0.84=21
답:21명]]> 2021-06-17 05:01:42 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611542889 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611542988 2021-06-17 05:01:46 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611542988 20406 김령경 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611543615 2021-06-17 05:02:08 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611543615 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611543715 20420 유하람
x+y=10
100x+250y=1450
10x+25y=145
2x+5y=29
2x+2y=20
3y=9
Y=3
X=7 7자루]]> 2021-06-17 05:02:12 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611543715 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611544128 2021-06-17 05:02:29 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611544128 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611545520 2021-06-17 05:03:01 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611545520 ㅈㄴㅉ https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611546203 2021-06-17 05:03:28 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611546203 20423이주아 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611546598 2021-06-17 05:03:42 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611546598 20431 조부연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611546947 연필 7자루]]> 2021-06-17 05:03:55 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611546947 20413 박지후 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611546969 2021-06-17 05:03:56 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611546969 20427 장상훈 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611549030 2021-06-17 05:05:14 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611549030 20429정서연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611550417 2021-06-17 05:06:08 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611550417 20409김희수 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611550879 2021-06-17 05:06:26 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611550879 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611551831 20408 김태양
-2y=-18
y=9

]]> 2021-06-17 05:07:05 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611551831 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611552298 2021-06-17 05:07:24 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611552298 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611552553 20420 유하람
X+y=16
5x+3y=75-13
5x+3y=62
5x+5y=80
-2y=-18
Y=9 9개]]> 2021-06-17 05:07:34 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611552553 20424이혜서 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611552701 2021-06-17 05:07:40 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611552701 20410 김희진 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611553330 2021-06-17 05:07:52 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611553330 20414송유찬 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611553890 2021-06-17 05:08:11 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611553890 20423이주아 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611554004 2021-06-17 05:08:17 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611554004 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611554683 20431 조부연]]> 2021-06-17 05:08:45 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611554683 20401 강건우 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611554825 2021-06-17 05:08:51 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611554825 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611554833 2021-06-17 05:08:51 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611554833 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611556555 2021-06-17 05:09:59 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611556555 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611557297 2021-06-17 05:10:25 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611557297 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611559369 2021-06-17 05:11:47 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611559369 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611560261 20408 김태양
3375-75y+84y=3600
9y=225
y=25 x=20
안경을 쓴 여학생=25×0.84=21
=21]]> 2021-06-17 05:12:25 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611560261 20414홍준택 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611561558 2021-06-17 05:13:21 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611561558 20417 양우석 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611561709 2021-06-17 05:13:27 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611561709 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611562335 2021-06-17 05:13:56 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611562335 20412민연희 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611562636 2021-06-17 05:14:09 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611562636 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611562903 텟카이!이상현]]> 2021-06-17 05:14:21 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611562903 20413 박지후 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611564477 2021-06-17 05:15:32 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611564477 20410 김희진 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611564937 2021-06-17 05:15:45 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611564937 20409김희수 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611566985 2021-06-17 05:16:59 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611566985 20411두호제 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611568579 2021-06-17 05:18:12 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611568579 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611569326 2021-06-17 05:18:40 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611569326 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611571394 2021-06-17 05:20:08 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611571394 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611572472 2021-06-17 05:20:50 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611572472 성식이가 성식이에게 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611574174 ㅔ성식아 ㅈㅂㄷㅊ]]> 2021-06-17 05:22:00 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611574174 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611574461 2021-06-17 05:22:13 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611574461 20404김가윤 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611574831 2021-06-17 05:22:31 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611574831 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611575997 2021-06-17 05:23:23 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611575997 20422이상현 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611576277 2021-06-17 05:23:31 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611576277 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611577450 2021-06-17 05:24:26 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611577450 20417 양우석 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611577478 모르겠어요 ]]> 2021-06-17 05:24:27 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611577478 20401 강건우 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611578050 2021-06-17 05:24:55 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611578050 20408 김태양 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611580321 2021-06-17 05:26:40 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611580321 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611581558 2021-06-17 05:27:35 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611581558 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611585848 20414송유찬]]> 2021-06-17 05:30:53 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611585848 20432 최태헌 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611586667 2021-06-17 05:31:29 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611586667 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611591027 20414송유찬]]> 2021-06-17 05:34:44 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611591027 20429정서연 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611591447 2021-06-17 05:35:07 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611591447 24030 정해린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611591581 2021-06-17 05:35:14 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611591581 잘그렷ㅅ지 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611591893 2021-06-17 05:35:29 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611591893 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611593077 20418 유소선]]> 2021-06-17 05:36:25 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1611593077 20407 김예린 https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1613579794 2021-06-18 03:10:16 UTC https://padlet.com/yuna7933/5l74v1cb4l80pytg/wish/1613579794