3/0.2x-0.1-0.05/(x+2)%=0.1x
5x+3=x-4,4y+11=22,11x+68-2x=100-9x,0.1x/0.2-(0.27x+0.18)/0.0
解方程:2- x+5/6=x- x-1/3,0.1-0.2x/0.03-1=0.7-x/0.4
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值
matlab中f=@(x)[x(2);x(3);0.05*x(1)*(x(2)+x(3))]中@(x)什么意思
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
(0.3分之x-1)-2x=0.05分之0.1x+0.2
0.3分之x+1-2x=0.05分之0.1x+0.2
0.2分之3x-0.6=0.5分之2x-1.5-0.1分之x+4.2
解方程 x=未知数 x-2/3x=15 9/10x+0.1x=0.1
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
2x+3x+4x+5x+x+6x+7x=100