计算2x-6/x-2 /5(/x-2-x-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+2)/2x * (x^3 - 3x^2)/(x^2 + 5x + 6) * (x^2 + 2x - 3)/(
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
计算:(x+7)(x-6)-(x-2)(x+2)
计算:3x/x-5-2x/5-x
计算:(x+1)(x-2)(x-3)(x-6)
计算:(x+2)/(x^2 - x - 6) + 2x/(x^2 - 3x) - x/(x^2 - 6x + 9)
计算:(x^3-3x^2)/(x^2+5x+6)÷(x^3-9x)/(x^2+2x-3)*(x+2)/(2x)
计算:(3x+2)/5-(x-6)=x/3
a*b=2×a+b 计算x*2x*3x*4x*5x*6x*7x*8x*9x=3039 x=