2017年GRE數(shù)學備考:常見表達式

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        小編整理如下:
        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)