[計量] pp ds2 183
183.
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 3.
(2) m is not divisible by 5.
Ans: A
我選D耶 因為我覺得都可以列出來所以都可以算
不知道是哪裡理解錯誤了, 請高人指點~~ 謝謝
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