2017GRE数学考试

　　下面是出国留学网小编为大家整理的2017GRE数学考前必看题目，欢迎大家阅读。

　　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...