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Function: driver
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Function: require_once
수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [위상수학]머리에 있는 돈은??
수킹
2020.05.14 08:59
조회 872
만 원짜리 지폐와 오천 원짜리 지폐가 각각 4장씩 총 6만원이 있다.
태민이와 상현, 석준이에게 진서는 모든 지폐를 보여주었고, 모두들 보지 못하는 상황에서 각자의 이마에 무작위의 지폐와 무작위의 지폐를 총 2개를 붙여주었다.
각자 이마에 지폐가 2장씩 붙여져 있는 상황에서 남은 2장의 지폐는 경원이 빼앗아갔다.
그 후 모두 눈을 떳고 진서는 모두에게 자신의 이마에 붙여져 있는 돈이 얼마인지 맞추라고 하였다.
이 때, 상현이의 머리에 붙여져 있는 돈은 얼마인가?
-
수킹
Lv.6
2020.05.14 23:03
-
레몬맛파이
Lv.5
2020.05.16 06:41
막 이렇게 해도 되요??
풀이과정 : 이렇게 되고 이렇게 되서 답이 나온다...... 그래서 답은 ***이다.
막 이렇게요....
좋아요1
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레몬맛파이
Lv.5
2020.05.16 06:50
비밀댓글
비밀 댓글이 등록 되었습니다!
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수킹
Lv.6
2020.05.16 09:56
비밀댓글
비밀 댓글이 등록 되었습니다!
-
레몬맛파이
Lv.5
2020.05.16 18:44
좋아요0
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레몬맛파이
Lv.5
2020.05.16 18:48
비밀댓글
비밀 댓글이 등록 되었습니다.
-
수킹
Lv.6
2020.05.16 18:50
비밀댓글
비밀 댓글이 등록 되었습니다!
-
레몬맛파이
Lv.5
2020.05.16 18:58
좋아요0
지금 바로
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