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수학동아 - 폴리매스
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[창의 퍼즐] 초코파이님을 위한 문제
MathlabJ 2020.04.03 08:16 조회 544
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

초코파이는 2층의 과자 사이에 1층의 마쉬멜로우가 들어있는 형태이다.

 

어느날, 당신이 마트에서 초코파이를 8개 사서 한번에 먹으려고 모두 포장지를 뜯었는데

 

4개는 정상적인 초코파이, 4개는 마쉬멜로우 2층 사이에 과자가 들어있는 불량 초코파이였다.

 

엄청난 대식가인 당신은 꼬치에 한번에 8개의 초코파이를 모두 꽂아 초코파이꼬치를 만들어 먹으려고 한다.

 

정상적인 초코파이끼리와 불량 초코파이끼리는 구별이 각각 안된다고 할 때, 만들 수 있는 꼬치의 모양은 모두 몇가지일까?

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