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标题: GWD 3-7 [打印本页]

作者: bfghdggf    时间: 2004-12-14 11:18     标题: GWD 3-7

Q7:

There are 11 women and 9 men in a certain club. If the club is to select a committee of 2 women and 2 men, how many different such committees are possible?

A. 120

B. 720

C. 1,060

D. 1,520

E. 1,980

答案是E,我觉得是C11,2*C9,2,望各位指教


作者: teyvhf    时间: 2004-12-14 11:21

思路和方法都正确啊,不明白楼主想问什么!
作者: camillayan    时间: 2004-12-16 20:37

以下是引用bfghdggf在2004-12-14 11:18:00的发言:

Q7:

There are 11 women and 9 men in a certain club. If the club is to select a committee of 2 women and 2 men, how many different such committees are possible?

A. 120

B. 720

C. 1,060

D. 1,520

E. 1,980

答案是E,我觉得是C11,2*C9,2,望各位指教

根据你的思路, 答案就是E呀, 是不是算错了?


作者: bfghdggf    时间: 2004-12-16 20:45

以下是引用camillayan在2004-12-16 20:37:00的发言: >

根据你的思路, 答案就是E呀, 是不是算错了?

不好意思,使我算错了,谢谢!




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