计算(1+0.25)x ×(16/x+4)=30
计算:1/(x^2-7x+10)+1/(x^2-x-2)+1/(x^2+5x+4)+1/(x^2+11x+28)=( )
F(X)=2X^3+6X^2-8X计算:(1)F(X)•(-2X);(2)2F(X)-4X
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
计算:(1/x²-4x+4)-(x/x²-4)+(1/2x+4)=
计算:4x(x-1)2-x(2x+5)(2x-5)=______.
计算(x+/1x)(x^2+1/x^2)(x^4+1/x^4)(x^8+1/x^8)(x^16+1/x^16)(x^2-
计算:(1)x²/x-2 - 4x/x-2 + 4/x-2;
计算 ∫(x^4-2x^3+x^2+1)/x(x-1)² dx
计算:x的平方-4分之x+1*(x+2)- x的平方+8x+16分之x的平方-16 除以 (x-4)
先化简,再求值计算第一题.x²-4x/x²-8x+16,其中X=5第二题;(1-8/x+1)÷x+3
计算(1).(5x-2)(x-3)-(3x-1)(x-4)= (2).(x+3)(x²+9)(x-3)=
计算:(x+1)x=7 (x-1)(x+2)=30 (3-x)(3-x)+x=9