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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 (note the reversal)

4.　x multiplied by y;

the product of x and y; xy

5. pided by y;

the quotient of x and y; x y，

y pided into x (note the reversal)

6.　A and B are factors of C;

A and B are pisors of C;

C is pisible by A and by B; A B=C

C is a multiple of A and of B;

A pides C and B pides 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，从中扣除

14. account for 　占

15. third

16. of x (a fraction of x); x，0.75x

75% of x (a percent of x)