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题库 / GMATLA-PS-192
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?
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some of the offices can be empty and more than one employee can be assigned to an office 办公室可以空也可以有很多人 意思就是办公室怎样都可以
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