you should be know:4p(23)=1,as p(23)=p(32)=p(24)=p(43)

來源: jinjing 於 2010-04-01 14:53:52 [] [舊帖] [給我悄悄話] 閱讀數 : (120 bytes)

If the question is changed from p(11),...p(55)to p(23),...p(43).Your method...
But 1/3 may be is right from computer.

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• 回複：you should know:4p(23)=1,as p(23)=p(32)=p(24)=p(43) -jinjing- ♀ 給 jinjing 發送悄悄話 (0 bytes) () 04/01/2010 postreply 14:55:22

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