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gre考试改革后，很多考生都觉得题难，如果觉得复习GRE数学考试比较难不妨从这些题目练习开始，每篇都是按照分类给大家列举了一些典型题目，本篇主要是针对gre数学考试算术方面的典型题目及答案。 31.The number of different prime factors of 48 The number of different prime factors of 72 答案：C 32.The number of different positive divisors of 12 The number of different positive divisors of 50 答案：C 33.The number that is as much greater than 63 as it is less than 101 84 答案：B 34. A K-number is a positive integer with the special property that 3 times its units digit is equal to 2 times its tensdigit. The number of K-numbers between 10 and 99 答案：C 35.Of the following which is greatest? A.1/2 B.7/15 C.49/100 D.126/250 E.1999/4000 答案：D 36.If n=pqr, where p,q, and r are three different positive prime numbers, how many different positive divisors does n have, including 1 and n? A.3 B.5 C.6 | 
