GRE/GMAT数学符号

　　GRE/GMAT数学符号

　　= 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

　　根号 square root

　　0.888888 the repeating decimal

　　r s 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

　　 pi

　　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

　　4.　x multiplied by y;

　　the product of x and y; xy

　　5. divided by y;

　　the quotient of x and y;　　　 x y,

　　y divided into x

　　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 1/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　　

　　between a and b, inclusive

　　13. off 　 低于，从中扣除

　　14. account for 占

　　15. one third 1/3

　　16. a of x ;　 ax

　　75% of x 0.75x