在gre数学备考的过程中，题目的练习应该贯穿全过程，因为我们始终要保持对题的新鲜感以及熟悉感，做到看到题脑海中就想到解题思路，只有这样才能在考试的时候做到胸有成竹，今天为大家带来gre数学模拟试题及答案!
题目
1. Points R, S, and T lie on a number line, where S is between R and T. The distance between R and S is 6, and the distance between R and T is 15.
Quantity A：the distance between the midpoints of lines segments RS and ST
Quantity B：the distance between S and T
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
正确答案：B
题目解析：Quantity A长度为RT的一半，7.5，Quantity B长度为15-6=9，因此选B。
2. x, y, and z are the lengths of the sides of a triangle.
Quantity A：x+y+z
Quantity B：2*z
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
正确答案：A
题目解析：两边之和大于第三边，x+y>z. 所以x+y+z>2*z
3. Rectangle R has length 30 and width 10, and square S has length 5. The perimeter of S is what fraction of the perimeter of R ? ___/___
正确答案：20,80
题目解析：R周长为80，S周长为20，按照题目要求，前面填入20，后面填入80。根据OG解释，考生如果约分为1/4也是正确的。
4.
1, –3, 4, 1, –3, 4, 1, –3, 4,..
In the sequence above, the first 3 terms repeat without end. What is the sum of the terms of the sequence from the 150th term to the 154th term?
正确答案：7
题目解析：题目说前三项无限循环， 所以1，-3， 4 是一个循环。150th正好是4，然后以此类推，150th到154th的和 为4+ 1+(-3)+4+1=7
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