回复：回复：回复：回复：I think it is answer.

jinjing · 2010-06-18 19:44:07Z

回复：回复：回复：回复：I think it is answer.简介

来源: jinjing 于 2010-06-18 19:44:07 [档案] [旧帖] [给我悄悄话] 本文已被阅读： 0 次 (112 bytes)

回答: 回复：回复：I think it is answer. 由 jinjing 于 2010-06-18 18:11:07

If you want to all pump are good,the answer is 2.5.
If you only want to get water,2*1/32 +1*12/32=14/32=7/16.

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• we get together. -皆兄弟也- ♂ (0 bytes) () 06/18/2010 postreply 20:11:46

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