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！7 N# r. ]9 a2 J3 j# d' r6 L
1.How many positive whole numbers less than 81 are not equal squares of whole numbers?
8 J! {3 Q& N+ p5 { A.9
* L; O; n& Y0 x- b+ K5 C% Y H B.70
& D6 H9 n& n" V/ R) A+ ~0 Z C.71
. U, I6 P- e5 _% i0 J5 v: } D.72 5 R0 B% Q' R1 g# N) O# g) o4 b
E.73 : Z' U1 U' B$ i/ P9 Q- Z4 O: n" {, L
答案：D l* _6 w) M5 ~. V+ t6 c
2. 23(784) 9 {7 F9 h% j8 ^7 ]3 ~
24(783)
1 O+ Y$ f# {7 h& Q! Y1 l 答案：B 5 q; o* i6 `( E! ]6 {" m' Z
3.A printer numbered consecutively the pages of a book, beginning with 1 on the first page. In numbering the pages, he printed a total of 189 digits. ' ?/ j1 _. \5 F' e! ]
The number of pages in the book + I* Z, j- Y% Q0 E
100 # a' N6 B) X1 k0 J
答案：B 外语学习网
: }3 v. w; ~2 x; v% u1 s. F4. m,p, and x are positive integers and mp=x.
+ K6 {$ T3 o' b$ w m
2 h3 [" i+ y F1 Z; {% T x 5 D, `3 {! L* W5 ?" [$ m: L& A
答案：D
# H9 z* i% I ^3 Y- k% P1 A7 g5.n=7*193
4 i% ^( {% t" E& Z ] The number of distinct positive factors of n & F4 O! F* c' t2 M
10 * N5 K: Y# F, m5 m: A: j4 c
答案：B |
发表于 2012-8-15 12:55:17
