七年级下册数学分式方程（1）作业本

1 1、3
2(1) x(x-2) (2）2-3(1-x)=0
3(1)x=3 (2)x=-2
4(1)x=4 (2)x=-1/3
5(1)x=0.25 (2)x=1.25 (3)x=0.5 (4)x=3
6 x/(69000-x)=5/3 x=43125