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[GRE数学] GRE数学常用公式表达

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  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    ab

  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

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