解方程:0.2(3-x)=0.4(6-x)
解方程:2- x+5/6=x- x-1/3,0.1-0.2x/0.03-1=0.7-x/0.4
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
解方程3x=-6x
x/(x-2)+(x+1)/(x-6)=2x/(x-3) 解分式方程
解方程:(x-2)(x^2-6x-9)=x(x-5)(x-3)
x-(2x/3-2)-{0.4[x-(2x/3-2)] 3}=6 解方程,
解方程3x+x=6x-6
x(x-3)=6+3x解方程
方程x(x-3)=6-2x的解
(6/x-2)=(x/x+3)-1解方程
解方程6x+3x=90+4x
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)