(2X-1)(2X+1)(4X+1)怎么算?
(X-3)/(X^2-4)*(X^2-4X+4)/(x^2-x-6)-1/(x+2)怎么算?
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-1)的平方怎么算?
y+(1+x)(2+x)(3+x)导数怎么算,
lim(x→0)[(3x+1)/(4x-2)]^1/x 这道题怎么算极限
(2X+3)(2X-3)-4X(X-1)+(X-2)²怎么运算,
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
(3x^3-4x^2+5x-1)除以(x^2+3x-1) 怎么算
2(x-1)(x+5)-3(x-2)-4x=2x的平方+7方程题怎么算?
1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)化简怎么算?
x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)