If p1,p3;p2,p4 had been connecded,you would be right

来源: jinjing 于 2010-06-19 19:51:10 [] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

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• You are correct. -ManYou- ♂ 给 ManYou 发送悄悄话 (4 bytes) () 06/30/2010 postreply 17:13:45

• It got to same anwser: (1/2+1/4+1/8)*(1/2+1/4)*4/6=7/16 -ManYou- ♂ 给 ManYou 发送悄悄话 (0 bytes) () 06/30/2010 postreply 18:41:37

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