수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] [조합]체스판에 바둑돌

MathlabJ 2020.05.01 17:19 조회 545

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

4×4 체스판에 흰 바둑돌과 검은 바둑돌을 1개씩 배치하려고 한다.

이때, 바둑돌과 같은색의 칸에만 그 바둑돌을 놓을 수 있다고 한다. 예를들어 검은 바둑돌은 체스판의 검은 칸에만 놓을 수 있다.

위 조건을 만족하도록 바둑돌을 놓았을때, 흰 바둑돌과 검은 바둑돌이 이웃하게 되는 확률은 얼마일까?

풀이과정과 답을 구하여라.

+와아ㅏ 드디어 8렙!!!

이전글 문제[어... 사칙연산]

다음글 [끝말잇기]끝말잇기 수열

이 문제 어떠셨나요?

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† J.H † Lv.9 2020.05.01 18:49

8렙

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