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?
5
6
7
8
9
登录 或 注册 后可以参加讨论
ABC, 0 A,BC B,AC C,AB 两个房间顺序对调所以再X2=8
ABC, 0
A,BC
B,AC
C,AB
两个房间顺序对调所以再X2=8
登录 或 注册 后可以参加讨论