计算 ①2(x^2)^3*x^2-3(x^3)^2+5x^2*x^6 ②(-2^2)*(-2)^2
x/x-3-5x/x^2-x-6计算
计算x^2-5x+6/x^2-1/x^2+x/x-3
计算(x-2)(x-3)+2(x+6)(x-5)-3(x平方-7x+13)
计算: (x+3)(x²-x-2)
计算 (x+3)(x²-x-2)
计算:(x+2)/2x * (x^3 - 3x^2)/(x^2 + 5x + 6) * (x^2 + 2x - 3)/(
计算:(x+2)/(x^2 - x - 6) + 2x/(x^2 - 3x) - x/(x^2 - 6x + 9)
计算:3x/x-5-2x/5-x
计算:(x+1)(x-2)(x-3)(x-6)
计算①x²-4/x²-4x+3÷x²+3x+2/x²-x②2x+6/4-4x+x
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
x^2+x-6分之x^2+3x-x^2-4分之x+2计算