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来源: jinjing 于 2010-04-14 17:33:29 [] [旧帖] [给我悄悄话] 阅读数 : (220 bytes)
本帖于 2010-04-15 10:02:55 时间, 由版主 于德利 编辑
回答: 144 由 jinjing 于 2010-04-13 20:28:01

I do question by heart.So a lot mistakes.Thank you.This question is not good question,I have to use pen and paper.If the question is changed to even number can't meet together,it is good question,and my answer is right.

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• You are close, but not exactly -SwiperTheFox- ♂ 给 SwiperTheFox 发送悄悄话 SwiperTheFox 的博客首页 (364 bytes) () 04/15/2010 postreply 09:55:41

• 72=(5!-4!*2) -jinjing- ♀ 给 jinjing 发送悄悄话 (10 bytes) () 04/15/2010 postreply 13:26:38

• This seems to be the best solution, can you reveal details? -SwiperTheFox- ♂ 给 SwiperTheFox 发送悄悄话 SwiperTheFox 的博客首页 (6 bytes) () 04/16/2010 postreply 09:44:10

• Thanks. -jinjing- ♀ 给 jinjing 发送悄悄话 (0 bytes) () 04/17/2010 postreply 05:17:39

• details? please! -皆兄弟也- ♂ 给 皆兄弟也 发送悄悄话 皆兄弟也 的博客首页 (0 bytes) () 04/16/2010 postreply 12:19:17

• 回复：details? please! -jinjing- ♀ 给 jinjing 发送悄悄话 (221 bytes) () 04/16/2010 postreply 16:00:53

• 2*4!可以理解，5!仍不太明白。anyway, thank you! -皆兄弟也- ♂ 给 皆兄弟也 发送悄悄话 皆兄弟也 的博客首页 (0 bytes) () 04/16/2010 postreply 20:55:59

• 回复：2*4!可以理解，5!仍不太明白。anyway, thank you! -jinjing- ♀ 给 jinjing 发送悄悄话 (161 bytes) () 04/17/2010 postreply 05:43:11

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