回複:回複:回複:5/36

回答: 回複:5/36jinjing2010-02-04 14:07:29

E={11,12,21,14,41,16,61,23,32,25,52,34,43,56,65}
P(E)=N(E)/N(S)=15/36=5/12.

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You are right! -pj- 給 pj 發送悄悄話 (0 bytes) () 02/08/2010 postreply 14:08:47

請您先登陸,再發跟帖!