Question

1.5/6x+75%=4 2.20%x+30%x=9.2 3.x+1/3(三分之一）x=1.2

Answer 1

1.5/6x+75%=4

5/6x=4-75%

5/6x=3.25

x=3.25除以5/6

x=3.9

2.20%x+30%x=9.2

50%x=9.2

x=18.4

3. x+1/3x=1.2

4/3x=1.2

x=0.9

4.x-x/2=2

1/2x=2

x=4

绝对正确,我是数学天才哦!