计算:[(x+3)2+(x+3)(x-3)]÷2x.
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(过程)】-x^2*(-x)^3+3x^3*(-x^2)-4(-x)*(-x)^4
计算:[x(-4X+3)+(X-2)x]÷(-X)
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
计算:[(x+3)2+(x+3)(x-3)]÷2x.
计算:-x+(2x-2)-(3x+5)
计算5x(2x² -3x+1)
计算:2x-6/4-4x+x^2除以(x+3)乘以x^2+x-6/x+3
计算,3x(x平方-2x-1)-2x平方(x-3)
计算3x(x^2-x-1)-2x^2(1-x)
计算 2(x²-x+1)-(-2x+3x²)+(1-x)