6—3(x-1)=12-2(2x+1).怎么算
(X-3)/(X^2-4)*(X^2-4X+4)/(x^2-x-6)-1/(x+2)怎么算?
(2x+1)²-(x+3)(3-x)=6x怎么简便算?
x²+2x-6/x²+2x=1怎么算
y+(1+x)(2+x)(3+x)导数怎么算,
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
5x-4/x-2=4x 10/3x-6-1 怎么解
2/(X-2)+X/(X+3)=1 怎么解
7x-3(2/3x+1/5x)-(x+2/5x)+2x,=5x怎么求出
2x-1/3-10x-1/6=2x+1/4-1怎么算
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
X/2-5X+11/6=1+2X-4/3怎么算
2-x+1/4=2+3x/6-x这个解方程怎么算,