大風吹 - 拼圖

By Rachel
at 2011-10-10T19:35
at 2011-10-10T19:35
Table of Contents
有n個東西對應到n個格子
如果將n個東西隨便放進這n個格子
很明顯有n!個組合
全部都放在對的地方的機率是1/n!
那麼全部都放錯的機率是?
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Tags:
拼圖
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By Jack
at 2011-10-14T15:55
at 2011-10-14T15:55

By Tom
at 2011-10-17T09:13
at 2011-10-17T09:13

By Callum
at 2011-10-20T06:47
at 2011-10-20T06:47

By Olga
at 2011-10-24T16:14
at 2011-10-24T16:14

By Charlie
at 2011-10-25T03:24
at 2011-10-25T03:24
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