x+1/0.3—2x=0.1x+0.2/0.

(x+1)/0.3-2x=(0.1x+0.2)/0.05 x+1 0.1x+0.2 _____ -2x = _____ 0.3 0.05x+1 0.1x+0.2 0.3 0.05 x+1/0.3—2x=0.1x+0.2/0. X+1/0.2-2X=0.1x+0.2/0.03: (x-1)+(x+2)+0.2x+2x=46 x-2-2-x/2=x-2/3 x-0.6/0.4+x=0.1x+1/0.3 解方程x-0.2x-27-(x-0.2x-27)*0.1=x/2+10.8x-27-0.08x+2.7=x/2+1对吗 x/x-2+x-9/x-7=x+1/x-1+x-8/x-6, x/x-2+x-9/x-7=x+1/x-1+x-8/x-6, 快进来!1.x+4/0.2-x-3/0.5=-1.3 2.2x-1/2-2x+5/3=10x-17/4+1 3.0.3-30x/0.1.x+4/0.2-x-3/0.5=-1.32.2x-1/2-2x+5/3=10x-17/4+13.0.3-30x/0.3-6.5=3（5-2x）/0.05=-11/24.x=1+x/2+x/4+x/8+x/16 x/x平方-x+2=2x/x+1 (X+1)X(X+2)X(X+3)=504 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X 3(X-1)=2X+5 x-2/0.5 - x+1/0.3=13(X-1)=2X+5 x-2/0.5 - x+1/0.3=1x/5 - 3-2x/2=x 0.1x-0.2/0.02 - x+1/0.5=3 (0.1x-0.3)/0.03=(2x+1)/0.2+1.2 (0.2x+0.1)/0.3-(3x-2)/6=1 1-0.5x/0.3-2/3x=0.3x/0.2x+1 0.3x-0.1/0.2-1=0.1x+0.2/0.3x-2/5=2-x+3/2/是分数线