0.2(0.2-x)/0.01+1.2x=0.12+20x
0.2x+0.4x=12 x=?20x+x=420 x=?
x-0.2x=80 求x
0.8x+3=1.2x+0.2怎么求x
(1)3x(x+0.2)=4x(x-1.1)
0.2(0.2)/0.01+1.2x=0.12+20x解方程!
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
18%x+32%x=2 x+20%x=2.4 x+5%x=4.2 15%x+35%x=0.2
X-(0.2X+10) -1.2*(0.2X+10)+8=0.36X 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={
(X+X)+(X-X)+(X*X)+(X/X)=100
3x+0.5x=4.2 4x-2.16=1.2 x-0.2x=16 2x-4x[这个x是乘】2.5=3.6 3x+5x=