这些数学式子,英文怎么读

题目

这些数学式子,英文怎么读
（3+5）*2=16
x²=4
x³=27
-3＜5
5＞-3
-3≥7
7≤16
1/4 3/4 1/2
希望是专业的回答,请不要用翻译软件那种凑出来的答案.
谢谢!

答案

1.three plus five, then times two,equals sixteenth
2.x squared equals 4
3.x cubed equals 27
4.negative three is less than five
5.five is more than negative three
6.negative three is equal or greater than seven
7.7 is less than or equal to 16
8. one-fourth, three-fourths, a half