计算 (x+1)(x-2)-4(x+3)(x-1)
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
计算 x(x+3)-(x-1)(x-2)
x^2-1/x^2+4x+4÷(x+1)×x^2+3x+2/x-1计算
计算 ∫(x^4-2x^3+x^2+1)/x(x-1)² dx
计算5x(2x² -3x+1)
计算3x(x^2-x-1)-2x^2(1-x)
计算 2(x²-x+1)-(-2x+3x²)+(1-x)
计算,3x(x平方-2x-1)-2x平方(x-3)
计算:(1)x²/x-2 - 4x/x-2 + 4/x-2;
【计算(过程)】-x^2*(-x)^3+3x^3*(-x^2)-4(-x)*(-x)^4
计算1/(x+1)(x+2)+1/(x+2)(x+3)+1/(x+3)(x+4)+……+1/(x+2007)(x+200
F(X)=2X^3+6X^2-8X计算:(1)F(X)•(-2X);(2)2F(X)-4X