0.2x+(1-0.25)*0.2x+12=0.5x怎么解
0.2x+(1-0.25)*0.2x+12=0.5x怎么解
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
0.25x+0.2x(1-0.25)=x-6 这个方程怎么解
(x+12)*(x+12)=x*x+360怎么解
方程x-0.25=0.25+0.2x怎么解
25+0.2X=0.25X方程怎么解
解方程0.2X+48=0.5X怎么算
0.5(x-1)=0.25x怎么解?
X-1/0.3-0.5-0.1x/0.2=2怎么解 就是0.3分之X-1减去0.2分之0.5-0.1X=2,求X等于几
X-(0.2X+10) -1.2*(0.2X+10)+8=0.36X 怎么解
X-0.5X-12-0.5(X-0.5X-12)-8=18怎么解
(X+4)/0.2-(X-3)/0.5=0.2 x-(x-1)/6=3-(x+2)/3 x/12-(2x-1)/20={