(1) 0.2X+0.2*4.8=11.2
(1)3x(x+0.2)=4x(x-1.1)
化简(2x-5)(3x+2)-6(x+1)(x-2),其中x=0.2
x-2/0.2-x+1/0.5=3 x=?
x/0.1-(x-1)/0.2=10
x+3/20x=46 ,x-1/5x=40 ,x-1/2x=3/4 ,x-0.2x=18解方程
求1/2x^2-1/4x+0.2x^3+0.25x-0.5x^2-1/5x^3+0.5x-1 其中x=12/13
x-0.2x=80 求x
X-X×0.2=1.18
解方程:1+0.4x=0.2(x+10) 2.x÷2=x+200
1-0.5x/0.3-2/3x=0.3x/0.2x+1
(X+4)/0.2-(X-3)/0.5=0.2 x-(x-1)/6=3-(x+2)/3 x/12-(2x-1)/20={
2-(1-x)=-3、3(x-3)=2x-1,0.4x-3(20-0.2x)=3,