美国GRE/GMAT数学符号
2011-09-30 11:08:00   来源：作文地带整理    双击单词自动翻译

　　美国GRE/GMAT数学符号

　　= is equal to

　　≠ is not equal to

　　≈ is approximately equal to

　　> is 美国GREater than

　　≥ is 美国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't" r de美国GREes 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

　　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 美国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;

　　the product of x and y; xy

　　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 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　　 (a,b)

　　between a and b, inclusive [a,b]

　　13. off 　 低于，从……中扣除

　　14. account for 占

　　15. one third 1/3

　　16. a of x (a fraction of x);　 ax

　　75% of x (a percent of x) 0.75x