化简:1(x+1)(x+2)+1(x+2)(x+3)+1(x+3)(x+4)+1(x+4)(x+5).
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
化简3x^2(x-1)-3x(x^2+1)+4x(2X-5)
x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)
x^4+x^3+x^2+x+1=0,x^2006+x^2005+x^2004+x^2003+x^2002
化简:1x(x+1)+1(x+1)(x+2)+1(x+2)(x+3)+1(x+3)(x+4)
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值
设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10),
x+2/x+1-x+3/x+2-x-4/x-3+x-5/x-4如何分解因式
(x+2/x+1)-(x+4/x+3)-(x+3/x+2)+(x+5/x+4)