3+0.2x/0.2-0.2+0.03x/0.01=0.75

(1)3x(x+0.2)=4x(x-1.1) 解方程:2- x+5/6=x- x-1/3,0.1-0.2x/0.03-1=0.7-x/0.4 (3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75 解方程 x-0.2x=80 求x 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=? 0.8x+3=1.2x+0.2怎么求x 5x+0.2=3x+7.9 X-X×0.2=1.18 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 0.2分之x+1-0.01分之x+3=3