回复：(19*0+12*1+1*2)/32=7/16, right?

来源: jinjing 于 2010-06-18 20:22:27 [] [旧帖] [给我悄悄话] 阅读数 : (39 bytes)
回答: 回复：回复：回复：I think it is answer. 由 rorodad 于 2010-06-18 18:16:55

Your answer is formal,better than mine.

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