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GRE数学

4月新gre考试:2013年4月13日gre数学练习(1)

 1.Sixty-eight people are sitting in 20 cars and each car contains at most 4people. What is the maximum possible number of cars that could containexactly 1 of the 68 people? A.2 B.3 C.4 D.8 E.12 2.if n is any prime number greater than 2, which of...

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