Thanks

来源: Slowguy 于 2012-05-04 10:50:22 [档案] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

本帖于 2012-06-08 15:15:07 时间, 由版主 idiot94 编辑

回答: You are right, should be C(6,3)/2*2*2 + 6!/6=160. two parts 10 c 由 jinjing 于 2012-05-04 10:35:30

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