关于数学的基本表达 the normal express for mathematics

1, no less than  大于等于

2, no more than 小于等于

3, is equal to 等于

4, round to / to the nearest 四舍五入

5, A divided into B 即B/A ; A divided by B 即A/B

6, The ratio of A to B is A与B的比例是

7, as much as 和...一样多，差不多，多达