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Function: get_footer

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Function: require_once

수학동아 - 폴리매스
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[창의 퍼즐] 중국집 냉채?
관종이 2019.12.16 07:38 조회 903
문제 푼 사람 1명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

중국집에서 냉채를 판다.

냉채는 9가지 종류가 있고,

전복, 새우, 연어, 오리알, 오향장육, 관자, 오리고기, 로스트비프, 그리고 해파리 냉채 이렇게 9개의 냉채를 세트로 판다.

9개의 냉채를 3X3정사삭형으로 배열하여 냉채 세트를 만들 때, 모두 몇 가지 조합이 나오겠는가?

단, 돌려서 같은 모양이 나오는 건 하나로 본다.

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