回复:I think C(6,3)*2*2+6!/6=200..

本帖于 2012-06-08 15:15:07 时间, 由版主 idiot94 编辑
回答: I think C(6,3)*2*2+6!/6=200..jinjing2012-05-04 06:17:44

Could the first C(6,3)*2*2 have duplicates?

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Yes, I think C(6,3)*2*2+6!/6=200.. -jinjing- 给 jinjing 发送悄悄话 (320 bytes) () 05/04/2012 postreply 07:07:28

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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