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标题: gwd6-22 [打印本页]

作者: 游魂 时间: 2005-12-20 07:49 标题: gwd6-22

Q22:

A certain company assigns employees to offices in such a way that some of the offices can be empty and more than one employee can be assigned to an office. In how many ways can the company assign 3 employees to 2 different offices?

A. 5

B. 6

C. 7

D. 8

E. 9

请教思路

作者: thinkers 时间: 2005-12-20 21:24

把3个人，往2个办公室里扔。

每个人都有两种选择。2^3=8.

作者: 游魂 时间: 2005-12-24 23:22

xie xie !!!!!

[em27]

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