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下面为大家总结了最新的gre猴哥数学难题。有很多gre考生对gre数学考试十分苦恼，其实最有效的方法就是多练习，把数学基础知识记牢，这样才能在考试中对答如流。而gre数学考试中也会出现一些难题，想拿高分也十分不容易。 31.The average quiz score is closest to which of the following? A.5 B.6 C.7 D.8 E.9 32.From the set of 6 letters A, B, C, D, E, and F, there are 20 different 3-letter subsets that could be selected. Column A: The number of 3-letter subsets that include the letter F Column B: 10 answer: C 33. In the Ratings for Symptom H table shown which of the following could be r, s, and t, respectively? A.0,7,6 B.1,1,9 C.1,10,4 D.2,19,0 E.2,4,5 34.If is the center of the circle, then the radius of the circle could be equal to which of the following? A.2 B.3 C.5 D.7 E.9 35.If x + 2y = 2 and =9, which of the following is a possible value of y? A.-8 B.-5 C.-3/2 D.3/2 E.5 36. In what month was gas use in one of the years nearly double that for the same month in the other year? A. February B.July C.August D.September E.October 37.Column A: The total number of feet of fencing, indicated by the solid lines, needed to separate each of the gardens | 
