2[3x-4(x-1)]+2=3(x-2)怎么做
|x+3|-|2x-1|+|x-2|>1怎么做
[3-2x/1-x]-1=[x+2/x-3]怎么做
x*x^3+(-2x^2)^2+14x^6/(-4x^2)怎么做?
合并同类项!(2x²+x)-[4x²-(3x²-x)]怎么做
3x-2(4x+8)=24怎么做
2x/3+75%x=1/6怎么做
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
2x^4-x^2-x-5除以x^2+1用多项式除法怎么做,结果是2x^2-x-2-3/(x^2+1)
2(x-2)-3(3x+2)=x+6怎么做 X=几?
(2x+1)(3x+2)^2(x^2+5x-24)>0怎么做
(5x+2)(x-2) -5(x+1)(x-3)怎么做
(2x²-3x+1)²-22x+33x-1怎么做?