数学试题中常用的数学符号总结如下：

SYMBOL MEANING
????=???is equal to

????≠ ??is not equal to

????≈ ??is approximately equal to

????＞ ??is greater than

????≥ ??is greater than or equal to

????＜ ??is less than

????≤ ??is less than or equal to

????????square root

????0.8 the repeating decimal 0.888...

????r s't" r degrees s minutes t seconds

????∠???angle

????right?angle

????┻ ??is perpendicular

????│x│ ?absolute value of x

????∥ ??is parallel to

????△ ??triangle

????～ ??is similar to

????≌ ??is congruent to

????△x ??delta x

????AB ??arc ?AB

????π ??pi(3.1415...)

1.is equal to; is the same as
???????????????????????=
? the result is; yields; gives

2.the sum of x and y; the total of x and y;
??x added to y; x increased by y; ?????????x+y
??x more then y; x greater than y

3.x minus y; x less y;
??the difference of x and y; x take away y;
? from x subtract y' x decreased by y; ????????x-y
? x diminished by y; y is subtracted from x;
? y less than x (note the reversal)
4.?x multiplied by y;
??????????????????????????????xy
??the product of x and y;
5. divided by y;
? the quotient of x and y;??????????????? x y,
??y divided into x (note the reversal)
6.?A and B are factors of C;
??A and B are divisors of C;
??C is divisible by A and by B; ???????????A B=C
??C is a multiple of A and of B;
??A divides C and B divides C;

7. the ratio of a to b ??????????????????a:b,
8. reciprocal of????????????????????? x
9. x times as many z as y; ???????????????z=x y
10.?a squared;
???a to the second power ????????????????a2
11. a cubed;???????????????????????? a3
??a to the third power
12. between a and b?????????????????? (a,b)
??between a and b, inclusive ????????????[a,b]
13. off ????????????????????低于，从......中扣除
14. account for ????????????????????占
15. third
16. of x (a fraction of x);????????????? x,0.75x
???????????????????????? 75% of x (a percent of x)

关键字:GRE考试辅导
生词表: