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标题: 求助数学大纲讲义上的一道题！ [打印本页]

作者: chinabens 时间: 2005-9-1 06:30 标题: 求助数学大纲讲义上的一道题！

2）A school administrator will assign each student in a group of n students to one of m classrooms. If 3 < m < 13 < n, is it possible to assign each of the n students to one of the m classrooms so that each classroom has the same number of students assigned to it?

(1) It is possible to assign each of 3n students to one of m classrooms so that each classroom has the same number of students assigned to it.

(2) It is possible to assign each of 13n students to one of m classrooms so that each classroom has the same number of students assigned to it.

搞不清楚考什么哦。

作者: efficiency 时间: 2005-9-1 07:05

(1) = m is a factor of 3n

(2) = m is a factor of 13n

since 3 < m < 13, m is neither a factor of 3 nor a factor of 13 so that ...

作者: chinabens 时间: 2005-9-2 06:09

thanks !!!

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