2016年新GRE數(shù)學(xué)常用公式表達(dá)

字號(hào):


    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;
    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
    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,從……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)