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标题: 数学题 [打印本页]

作者: applebees 时间: 2006-2-25 13:23 标题: 数学题

M是2至30的正奇数，then m is divisible by how many different positive prime number?

1) m is not divisible by 3 2) m is not divisible by 5

(A)

作者: applebees 时间: 2006-2-28 07:15

i see, thanks !!1

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