1/12X-6/15×5/9=3/4 x-75%=1/4 1-25%X=3/8

问题描述:

1/12X-6/15×5/9=3/4 x-75%=1/4 1-25%X=3/8
共三道解方程题,跪谢!

1/12X-6/15×5/9=3/4
1/12x-2/9=3/4
x-8/3=9
x=11又2/3
x-75%=1/4
x-3/4=1/4
x=1
1-25%X=3/8
1/4x=5/8
x=5/2