如何解决GRE数学题理解问题
举例说明: Of the positive integers that are multiples of 30 and are less than or equal to 360, what fraction are multiples of 12? 其实呢,如果没有这个倒装,应该没有任何问题:What fraction of the positive intergers that are multiples of 30 and are less than or equal to 360 a...