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标题: PP-DS [打印本页]

作者: aaron00    时间: 2010-4-14 15:08     标题: PP-DS

If the drama club and music club are combined,what percentage of the combined membership will be male?

(1) Of the 16 members of the drama clubs,15 are male.
(2) Of the 20 members of the music club,10 are male.
我觉得这道题一看就是C啊,为什么答案是E呢?
作者: myice    时间: 2010-4-15 10:23

会不会是答案写错了,期待robert确认
作者: congcircle    时间: 2010-5-9 20:18

俩个club之间有没有重合的呀




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