(66x^6y^3-24x^4y^2+9x^2y)÷(-3x^2y)化简

(66x^6y^3-24x^4y^2+9x^2y)÷(-3x^2y)化简 81/8*(-x-y)^6*(x-y)^3*4/9(x+y)^4*(y-x)^2 3(x+y)-2(x-y)=11 4(x+y)+3(x-y)=9 计算(x-y)^7÷(y-x)^6+9-x-y)^3÷(x+y)^2 {3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1 4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11 x+y/2+x-y/3=6,4(x+y)-3(x-y)=-20 {(x+y)/2+(x-y)/3=6 4(x+y)-3(x-y)=-20 4(x+y)-3(x-y)=-20,2/x+y+3/x-y=6 4x-3y/x-2y÷6y-8x/y-2x （x+y）/2- x-y/2=6 3(x+y)=4(x-y) x+y/3+x-y/2=6 4(x+y)-2(x-y)=40 （y-x）^4（x-y）^3+2（x-y）^6（y-x） 计算(36x ^4y^3-24x^3y^2+3x^2y^2)/(-6x^2y) 解二元一次方程 {3(x+y)-4(x-y)=-9 x+y/2+x-y/6=1 4x-y/2根号x+根号y 9x-6根号xy+y/3根号x-根号y x+y/2+ x-y/2=6 2(x+y)-3x+3y=24 求X Y 6x^4y^3+12x^3y^4-24x^2y^5因式分解