1-X^3怎么拆

1-X^3怎么拆 (x+2)(x+3)-(x+6)(x-1) 怎么算? (x-1)(x+2)(x+3)(x+6)怎么做? 3(x-2)(x+2)怎么拆? 这个分式怎么约分分式(3-x)(x-1)+x/x(x-1)中怎么约分? ｜x-3|-|x+1|>3怎么算 (x-1)(x-3)+1怎么因式分解 3^X-1>0 X怎么算 (2x+3)(-x-1)怎么做 (2x+3)(-x-1)怎么做 (x-3)(x-1)怎么算 (1+x)(x-3)>0怎么解 2(x-3)(-x+1)怎么做 2x-(x+3-3(x+1)怎么解 X(X-4)=3X+1怎么做 x(x-1)-3x+4怎么解 x(x-2)+m(1-x)=3怎么算 y+(1+x)(2+x)(3+x)导数怎么算,