if m is a positive odd integer between 2 and 30, then m is divisible by how many different positive prime numbers?1.m is not divisible by 32.m is not divisible by 5
thank you^_^
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答案的确是选A。。看了你的解答我觉得我理解错了题意。。有点懂又有点不懂。。
可以请你解释一下原题是想问什么的吗?
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