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标题: prep数学破解版 [打印本页]

作者: shangcailanru    时间: 2012-12-9 07:16     标题: prep数学破解版

If the prime numbers p and t are the only prime factors of the integer m, is m a multiple of p2t ?

(1) m has more than 9 positive factors.

(2) m is a multiple of p3.
这道题选B啊?为什么??我怎么觉得条件1也很充分啊?
作者: my8822180001    时间: 2012-12-9 21:20

M=P^a*T^b 若a是1,b是4,则有10个因数,但不满足题目~~
作者: nesstang    时间: 2012-12-10 18:51

有最新数学破解版么




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