Question

(5/3)的立方-(5-9)的平方-/-18又17/27+18/

Answer 1

(5/3)的立方-(5-9)的平方-/-18又17/27+18/

=125/27-16-17/27

=108/27-16

=4-16

=-12

3- 5分之5-2y=y-10分之4-7y+2分之y+2

3-(5-2y)/5=y-(4-7y)/10+(y+2)/2

30-2(5-2y)=10y-4+7y+5(y+2)

30-10+4y=17y-4+5y+10

4y-22y=6-20

-18y=-14

y=7/9

y=9分之7