0.1x-0.2/0.02—x+1/0.5-2=3一元一次方程

0.1X-0.2/0.02-2X+1/0. x+1/0.3—2x=0.1x+0.2/0. 3分之2X+1=1 0.2X+0.5-0.03+0.02X=2分之X-5 0.03分之0.1X-0.2-0.5分之2X+1=3 6【X-2（X-1]）】=2（X-3 0.2x+1/1.5-0.01x-0.02/0. (0.1x-0.2)/0.02-(x+1)/0.5=6 0.1x-0.2/0.02-x+1/0.5=3! （0.1X-0.2)/0.02-（X+1)/0.5=3 0.1x-0.2/0.02-x+1/0.5=6 0.1x-0.2/0.02+X+1/0.5=3 0.1x-0.2/0.02=3+x+1/0.5 X+1/0.2-2X=0.1x+0.2/0.03: (x+1)/0.3-2x=(0.1x+0.2)/0.05 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 (1+0.2)X=(X-64)/0. ①(x-1)/2=(4x)/3+1②(0.1x-0.2)/0.02-(x+1)/0.5=3 8x-0.2分之1-0.2x=0.01分之0.1+0.02x 计算0.02x-0.01/0.03-x+0.1/0.6=0.2x+0.1/0.4-1