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A
B
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E
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(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.
Answer: B
Source: Official Guide


















