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수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
우럭
2020.06.06 16:43
조회 880
가로, 세로, 높이의 길이가 각각 a, b, c인 직육면체의 겉넓이를 L이라 하고,
이 직욱면체를 1*1*1인 정육면체로 분할 했을 때 생기는 모든 정육면체의 겉넒이를 L'이라고 하면,
L'=5L이다. (x, y, z)의 개수는?
(단, A 
B C이며, A, B, C는 자연수이다.)
지금 바로
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