It got to same anwser: (1/2+1/4+1/8)(1/2+1/4)4/6=7/16

ManYou · 2010-06-30 18:41:37Z

It got to same anwser: (1/2+1/4+1/8)*(1/2+1/4)*4/6=7/16简介

来源: ManYou 于 2010-06-30 18:41:37 [档案] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: If p1,p3;p2,p4 had been connecded,you would be right 由 jinjing 于 2010-06-19 19:51:10

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