急,怎么解 0.5x/0.2 - 1.5-x/2= 0.5 1+x/0.1 - 0.4x-0.5/0.2 = 1/2
2- 6分之x+5=x- 3分之x-1 ,0.03分之0.1-0.2x-1=0.4分之0.7-x 怎么解方程!急
解方程:2-0.1X+0.2/0.5=X-0.01X-0.01/0.02 急啊~~~ 快
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-2/0.2-x+1/0.5=3 x=?
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
先化简再求值先化简再求值:(x-x/x+1)(x+1/x^2+4x+4)(x^2-4/x^2-2x),其中x=-0.5
1-0.5x/0.3-2/3x=0.3x/0.2x+1
解方程:2+x=2x+1 0.5x=3.4+x 4-0.5x=-x
1+x/0.1-0.4x-0.5/0.2=1/2怎么解答
(X+4)/0.2-(X-3)/0.5=0.2 x-(x-1)/6=3-(x+2)/3 x/12-(2x-1)/20={
x-0.5x=7.5怎么解方程啊,急!
解方程:2- x+5/6=x- x-1/3,0.1-0.2x/0.03-1=0.7-x/0.4