新GRE数学考试算术题精选例子（9）

会计考友

新GRE考试的改革，让许多考生们都感觉头疼，但是复习起来如果觉得难的话，不妨练习一下这些经典例题，一定会有所帮助的哦！ 1.On a certain number line, if-7 is a distance 4 from n and 7 is a distance of 18 from n then n=
　　A.25
　　B.11
8 E0 K$ [- ~& A　　C.3
/ `; q! o. R  H8 |: k# Y　　D.-3
　　E.-11
2 [! ~- V4 }0 v# L( D* o　　答案：E
2. Which of the following equations can be used to find the value of x if 7 less than 5x is 5 more the product of 3 and x?
$ k, N+ s- D5 `2 C" W! q) t　　A.5x-7=5+3x
　　B.5x-7=5+(3+x)
　　C.7-5x=5+3x
　　D.7-5x=(5+3)x
　　E.7-5x+5=3x
　　答案：A
4 e+ H# G+ G4 h7 L3.On a number line, the distance between the two points with coordinates -5 and 1 is how much less than the distance between the two points with coordinates 2 and 14?
  h5 Q* k! n2 T+ }# C8 D! Z　　A.6
' D# M+ w) y# I; M5 w　　B.8
　　C.10
　　D.12
$ T+ B1 E. |6 |) O3 A8 u% S　　E.16
* P. E" p# \; J+ i: U! |' ~1 ?% f　　答案：A
' K) ~1 R5 _# [, z( g7 J/ d4.The expression (4+x)(2x-3) is equivalent to which of the following?
　　(1)2x(x+4)-3(x+4)
　　(2)(x-4)(2x+3)
9 P: I; c9 R+ l% `$ p% M! t0 n  ~　　(3)2x2-12
5 A  [& {# |- m8 T) ~　　A.(1) only
　　B. (2) only
　　C. (3) only
. C2 R# `- J9 N8 a) }$ L8 [# \* M' ~　　D. (2) and (3)only
　　E. (1),(2) and (3)
5 m% D; q" o: u  }( x: N( Z& @　　答案;A
5.On the number line, 1.4 is halfway between which of the following pairs of numbers?
　　A.-1.4 and 2.4
　　B.-1 and 2
　　C.-0.3 and 3.1转自:考试网 - [Examw.Com]
* }9 K/ @0 S0 M. u9 u6 z: X8 D( Q　　D.0.15 and 1.55
  F; e4 x4 D" P4 e　　E.0.4 and 1
0 C. v% x/ u0 H1 U7 b& [' @5 G　　答案：C