(1-x)³(x-1)²-(x-1)^4[-(1-x)]
(4x³)²×[x³-x(2x-1)]
化简{x²-2x分之x+2-x²-4x+4x分之x-1}除以X分之(x-1)(X-4)乘以(2-x)
[(x+2)/(x²+2x)-(x-1)/(x²-4x+4)]÷(x-4)/x
(3x²)³-7x³[x³-x(4x²+1)]
化简:-3x(x²+1)-[x³-x(4x²+1)].
2道分式计算[(x+4)(x-2)]/x³+2x²+x÷[(x-2)/x·(x+4)/(x+1)]2
计算下列各题:(1+x)(x-1/x²+x-1-x/x³-x)
因式分解:(x³-x²)-x+1
x³-x²-x+1因式分解
化简x³+x-x²-1
(x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3
f(x)=1+x-x²/2+x³/3-x^4/4+…+x^2013/2013