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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。 71. A. The quantity in Column A is greater. B. The quantity in Column B is greater. C. The two quantities are equal. D. The relationship cannot be determined from the information given. 72. 9/20 of 2.8 is____ A. 0.00126 B.0.0126 C.0.126 D.1.26 E.12.6 73.Seven one-dollar bills are to be distributed among Lucia, Gomez, and Domingo so that each person receives at least $ 1. Column A: The number of ways to distributed the bills so that at least one person receives at least $3. Column B: The total number of ways to distribute the bills. Answer:C 74.3 Column A: /3 Column B: /x answer: D 75. If car x is driven at a constant speed such that its gasoline mileage is 24 miles per gallon, then the speed of car x, to the nearest mile per hour, could be__ A. 20 mph B.22 mph C.29 mph D.71 mph E.73 mph 76. Approximately how many gallons of gasoline would car x use if it were driven for 2 hours at a constant speed of 45 miles per hour? | 
