标题: (求助)数学OG12-128 [打印本页] 作者: aaapple 时间: 2009-12-1 00:09 标题: (求助)数学OG12-128 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.
答案是B,我选E,不是很理解意思。作者: xyhfun 时间: 2009-12-30 00:59
each classroom has the same number of students assigned to it?说明N需能被M整除,即M的factors也都是N的