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(求助) 天山 4-28

Q28:

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.

请教解法

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13不在范围内, 且为质数,因此N/M可整除,13N/M 方可整除 故B 正确

TOP

明白了。谢了!!!

TOP

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