수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 23등 기념!

△π 2020.04.03 22:53 조회 368

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

삼각파이의 23등을 축하하기 위해 23개 선진국 대통령 23명이 모였다.(???) 그런데 대통령들은 자신의 명패가 있는지 모르고 원형 탁자에 아무렇게나 앉았다가 결국 아무도 자신의 자리에 앉지 못했다. 이때, 탁자를 적당히 돌리면 적어도 두 명의 대통령이 자신의 명패가 있는 자리에 앉게 됨을 보여라.

이전글 더했다 뺐다

다음글 오랜만에 기하!

이 문제 어떠셨나요?

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MathlabJ Lv.8 2020.04.03 23:14

대통령 23명ㅋㅋㅋㅋㅋㅋ

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