P(E)=N(E)/N(S)=15/36=5/12.
回复:回复:回复:5/36
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.
P(E)=N(E)/N(S)=15/36=5/12.
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• You are right! -pj- ♂ (0 bytes) () 02/08/2010 postreply 14:08:47