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수학동아 - 폴리매스
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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 자릿수와[정수]
우럭 2020.08.15 00:12 조회 501
문제 푼 사람 1명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

어떤 세 자리수 abc 에서

가운데 십의 자리인 b를 빼면 

두자릿수 ac가 된다.

이 때, ac의 제곱이 abc와 같아지는 

세자릿수 abc의 총합은?

[풀이 필수]

이 문제 어떠셨나요?

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  •  
    해결
    유클리드 Lv.6 2020.08.15 00:42 비밀댓글
    비밀 댓글이 등록 되었습니다.
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  •  
    대한미국남자 Lv.6 2020.08.15 09:24 비밀댓글
    비밀 댓글이 등록 되었습니다.
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    •  
      우럭 Lv.9 2020.08.17 11:05 비밀댓글
      비밀 댓글이 등록 되었습니다!
  •  
    조이 Lv.8 2020.08.16 05:37

    세자릿수 abc의 총합이라는게 무슨말이에요?

    (예 : 자릿수의 합 또는 모든 세 자리수의 합 등)

    댓글 작성하기 좋아요0 댓글수1
    •  
      우럭 Lv.9 2020.08.17 11:04

      모든 세 자리수의 합이요

      (뭐 예를 들어 100과 500이면 600)

      좋아요0
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