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标题: GWD 11-3 [打印本页]

作者: mingzhu11 时间: 2005-12-24 12:56 标题: GWD 11-3

Q3:

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

请教你们的思路?

我的思路 (0,3) 和(3,0) 2种加 C(3,1)+C(3,2) =8种

作者: 小精灵 时间: 2005-12-24 22:57

根据条件可以得到每个employee可以有两种选择所以三个emplyee就是2^3=8

作者: mingzhu11 时间: 2005-12-25 13:56

thanks !!!!

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