Yes, I think C(6,3)*2*2+6!/6=200..

来源: jinjing 于 2012-05-04 07:07:28 [] [旧帖] [给我悄悄话] 阅读数 : (320 bytes)
本帖于 2012-06-08 15:15:07 时间, 由版主 idiot94 编辑
回答: 回复：I think C(6,3)*2*2+6!/6=200.. 由 slowguy 于 2012-05-04 06:25:34

two parts: 123   456

           132   456

           123   465

           132   465

So,2*2.

所有跟帖： 

• 回复：Yes, I think C(6,3)*2*2+6!/6=200.. -Slowguy- ♂ 给 Slowguy 发送悄悄话 (871 bytes) () 05/04/2012 postreply 07:59:37

• 回复：回复：Yes, I think C(6,3)*2*2+6!/6=200.. -jinjing- ♀ 给 jinjing 发送悄悄话 (360 bytes) () 05/04/2012 postreply 08:56:10

• Still not convinced -Slowguy- ♂ 给 Slowguy 发送悄悄话 (162 bytes) () 05/04/2012 postreply 09:06:41

• You are right, should be C(6,3)/2*2*2 + 6!/6=160. two parts 10 c -jinjing- ♀ 给 jinjing 发送悄悄话 (96 bytes) () 05/04/2012 postreply 10:35:30

• Thanks -Slowguy- ♂ 给 Slowguy 发送悄悄话 (0 bytes) () 05/04/2012 postreply 10:50:22

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