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함께 풀고 싶은 문제

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[창의 퍼즐] 피아노

PMPI 2021.06.09 01:11 조회 581

문제 푼 사람 5명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

하얀 건반의 길이는5cm,검은 건반은3cm다.

하얀 건반의 길이가5cm일때 넓이가2cm라 하면 검은 건반의 넓이는 몇cm일지 계산하라.

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PF＿ Lv.8 2021.06.09 01:12

겁나 빨리 포착

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- 군침이 싹도노 Lv.5 2021.06.10 04:16
  
  1분 차잌ㅋㅋㅋ
  
  @숫자파이
  
  좋아요0
PF＿ Lv.8 2021.06.09 01:13

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넓이에 단위는 $cm^2$ 입니다.

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- PMPI Lv.7 2021.06.09 01:15
  
  전 그런거 모르는데 봐주시면 안되나여ㅠ
  
  좋아요0
- 미파도 Lv.5 2021.06.10 01:15
  
  제곱 cm 어떻게 쓰나요?(cm2 밖에 안됨)
  
  좋아요0
- K-RIEMANN Lv.10 2021.06.11 17:26
  
  @미파도
  
  댓글 창 열고 제가 표시한 곳 안에 누르면 됩니다.
  
  cm쓴 다음 저거 누르고 2 쓰면 cm²쓸수 있습니다.
  
  좋아요0
PF＿ Lv.8 2021.06.09 01:32 비밀댓글

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- PMPI Lv.7 2021.06.09 02:12 비밀댓글
  
  비밀 댓글이 등록 되었습니다!
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성jay Lv.5 2021.06.09 02:10 비밀댓글

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- PMPI Lv.7 2021.06.09 02:35
  
  규칙이 있습니다.
  
  좋아요0
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RTAI Lv.7 2021.06.09 02:44 비밀댓글

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- PMPI Lv.7 2021.06.09 03:25
  
  r규칙이있다는걸 명심하세요,ㅣ,.,.
  
  좋아요0
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수현인데닉넴누가먹었 Lv.6 2021.06.09 04:49 비밀댓글

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- JM Lv.6 2021.06.10 07:08 비밀댓글
  
  비밀 댓글이 등록 되었습니다!
은혁이 Lv.2 2021.06.09 05:21

왜 없는것 같지, .?

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HY0329 Lv.2 2021.06.09 05:58 비밀댓글

비밀 댓글이 등록 되었습니다.

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- HY0329 Lv.2 2021.06.09 06:09
  
  비밀댓글이 안돼요
  
  좋아요1
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JM Lv.6 2021.06.09 08:20 비밀댓글

비밀 댓글이 등록 되었습니다.

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서준 한 Lv.2 2021.06.10 05:50 비밀댓글

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JM Lv.6 2021.06.10 06:53 비밀댓글

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JM Lv.6 2021.06.10 22:22 비밀댓글

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- PMPI Lv.7 2021.06.10 22:40
  
  아!
  
  죄송합니다..
  
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pokmui9909 Lv.4 2021.09.06 05:23 비밀댓글

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돌 Lv.6 2021.12.08 06:20 비밀댓글

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