(-2x²)³+4x³×x³
(4x³)²×[x³-x(2x-1)]
2道分式计算[(x+4)(x-2)]/x³+2x²+x÷[(x-2)/x·(x+4)/(x+1)]2
(-2x²)³+4x³×x³
解不等式-x³+4x²-x-4/2+x-x²≧x-2
f(x)=1+x-x²/2+x³/3-x^4/4+…+x^2013/2013
化简求值 (x³+4x²)÷x+(2x+1)(2x-1)-4x(x+1) x=-2
4x²-1/3x²-x·9x³-x/2x^4-x³计算 急
因式分解:x³-2x²+x
3x³-2x*x²
(3x²)³-7x³[x³-x(4x²+1)]
(x³-2x²+x-4)-(2x³-5x-4)去括号
解方程 x(x+1)(x²-2x-4)=0 x³-2x+1=0 x的4次方+8x³+14x