虽然
1. 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)
2. divided by y;
the quotient of x and y; x y，
y divided into x (note the reversal)
3. is equal to; is the same as =
the result is; yields; gives
4. x multiplied by y;
the product of x and y; xy
5. 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
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. x times as many z as y; z=x y
8. reciprocal of x
9. the ratio of a to b a：b，
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)