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Function: require_once

수학동아 - 폴리매스
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[창의 퍼즐] [조합]찍먹과 부먹의 화해
전자기역학 2020.06.02 07:45 조회 888
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

위의 대표이미지는 다양한 정보들이 넘쳐나는 폴매 카페의 로고입니다! 

 

12명의 사람들이 모였는데 이들 중 6명은 찍먹, 6명은 부먹이었다. 이들은 화해를 하기 위해 한 중국집에서 탕수육을 시키고 기다리는 동안 악수를 했는데, 먹는 방법이 같은 사람들끼린 악수를 하지 않았고, 모든 사람은 악수한 횟수가 두 번이며, 한 사람이랑 두 번 이상 악수하지 않았을 때, 이들이 악수를 하는 가짓수는?(풀이 필수)

이 문제 어떠셨나요?

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  •  
    Yunite Lv.6 2020.06.02 19:03

    요즘 악수하면 안돼지 않나요?

    댓글 작성하기 좋아요0 댓글수2
    •  
      리퍼 Lv.6 2020.06.02 19:06

      애초에 많은 사람이 다같이 중국집 가는 것도 안되는데 ㅋㅋㅋ

      좋아요0
    •  
      Yunite Lv.6 2020.06.02 19:16

      ㅋㅋㅋ 그러네요

      좋아요0
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