化简3(x^2-2)-5x(x+1)+4x(1-x)
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)
化简:1x(x+1)+1(x+1)(x+2)+1(x+2)(x+3)+1(x+3)(x+4)
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
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
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)
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
1x+2x+3x+4x+5x+6x+7x…+99x=100