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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 피아노
PMPI 2021.06.09 01:11 조회 562
문제 푼 사람 5명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

하얀 건반의 길이는5cm,검은 건반은3cm다.

하얀 건반의 길이가5cm일때 넓이가2cm라 하면 검은 건반의 넓이는 몇cm일지 계산하라.

이 문제 어떠셨나요?

글쎄요

2

어려워요

2

문제 찜하기 목록보기
댓글 24
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  •  
    PF＿ Lv.8 2021.06.09 01:12

    겁나 빨리 포착

    댓글 작성하기 좋아요0 댓글수1
  •  
    PF＿ Lv.8 2021.06.09 01:13

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    넓이에 단위는 cm^2입니다.

    댓글 작성하기 좋아요0 댓글수3
    •  
      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
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수1
    •  
      PMPI Lv.7 2021.06.09 02:12 비밀댓글
      비밀 댓글이 등록 되었습니다!
  •  
    다시 도전
    성jay Lv.5 2021.06.09 02:10 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수1
    •  
      PMPI Lv.7 2021.06.09 02:35

      규칙이 있습니다.

      좋아요0
  •  
    다시 도전
    RTAI Lv.7 2021.06.09 02:44 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수1
    •  
      PMPI Lv.7 2021.06.09 03:25

      r규칙이있다는걸 명심하세요,ㅣ,.,.

      좋아요0
  •  
    해결
    수현인데닉넴누가먹었 Lv.6 2021.06.09 04:49 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수1
    •  
      JM Lv.6 2021.06.10 07:08 비밀댓글
      비밀 댓글이 등록 되었습니다!
  •  
    은혁이 Lv.2 2021.06.09 05:21

    왜 없는것 같지, .?

    댓글 작성하기 좋아요0 댓글수0
  •  
    해결
    HY0329 Lv.2 2021.06.09 05:58 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수1
    •  
      HY0329 Lv.2 2021.06.09 06:09

      비밀댓글이 안돼요

       

      좋아요1
  •  
    다시 도전
    JM Lv.6 2021.06.09 08:20 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수0
  •  
    다시 도전
    서준 한 Lv.2 2021.06.10 05:50 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수0
  •  
    다시 도전
    JM Lv.6 2021.06.10 06:53 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수0
  •  
    해결
    JM Lv.6 2021.06.10 22:22 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수1
    •  
      PMPI Lv.7 2021.06.10 22:40

      아!

      죄송합니다..

      좋아요0
  •  
    해결
    pokmui9909 Lv.4 2021.09.06 05:23 비밀댓글
    비밀 댓글이 등록 되었습니다.
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  •  
    해결
    돌 Lv.6 2021.12.08 06:20 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수0

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