수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 구멍에 정사각형 끼우기

아인수타인 2020.03.23 07:57 조회 446

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

아래 그림처럼 $9 imes 9$ 의 정사각형 형태로 구멍이 파여 있다(ㅋㅋㅋ 그림 우려먹기~).

이 구멍에 빨간색 정사각형 3개를 끼운다. 예를 들어 아래와 같이 끼울 수 있다.

그런데 하나의 구멍에는 하나의 정사각형만 끼울 수 있다. 예를 들어 아래와 같이 끼울 수는 없다.

파란색 점에 정사각형 2개가 끼워졌기 때문이다. 돌리거나 뒤집어서 겹쳐져도 다른 것으로 볼 때, 총 몇 가지 경우의 수가 있는지 풀이와 함께 구하시오. (출제자도 답 모름)

이전글 동전 문제3

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아인수타인 Lv.12 2020.03.23 08:05

아! 빨간 정사각형은 1*1 크기입니다!

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sigma Lv.3 2020.03.23 08:54 비밀댓글

비밀 댓글이 등록 되었습니다.

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- 아인수타인 Lv.12 2020.03.23 08:54 비밀댓글
  
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