수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 곱셈퍼즐

K-RIEMANN 2019.08.01 00:03 조회 633

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

?에 들어갈 숫자를 찾아라.

10 X 10 = 1

32 X 21 = 7

50 X 25 = 5

87 X 99 = 8

92 X 24 = ?

(주의 : 모든답은 일의자리이다.)

이전글 넓이의 이등분선의 이등분점의 자취

다음글 p의 p제곱의 역수의 합

이 문제 어떠셨나요?

글쎄요

어려워요

문제 찜하기 목록보기

댓글 작성하기

K-RIEMANN Lv.10 2019.08.01 00:04

다 푸신 분은 비밀댓글로 풀이와 함께 댓글을 달아주세요.

댓글 작성하기 좋아요0 댓글수4
- 최제인 Lv.1 2019.08.02 03:27 비밀댓글
  
  비밀 댓글이 등록 되었습니다!
- K-RIEMANN Lv.10 2019.08.03 09:10
  
  최제인님, 아쉽게도 답은 아닙니다. 다른 규칙을 찾아보세요.
  
  좋아요0
- JY준 Lv.1 2019.08.03 19:23 비밀댓글
  
  비밀 댓글이 등록 되었습니다!
- K-RIEMANN Lv.10 2019.08.05 05:20
  
  조연준님 정답입니다.
  
  해결 붙여주세요.
  
  좋아요0

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