(3x-³y-²)²÷9×﹙⅓x²y-¹﹚³
1个回答
[3x^(-3)y^(-2)]^÷9×[(1/3)x^y^(-1)]^3
=9x^(-6)y^(-4)÷9×(1/27)x^6y^(-3)
=(1/27)y^(-7).
相关问题
计算(1)x×(9x^3y-3xy^2)÷(-3x^2y)(2)((x+y)^2-(x-y)^2)÷(-4xy)(3)三
1.5XY×5X^6Y^9÷(-5X^2Y^2)^4×25X^3Y^4=?
计算(x-y)^7÷(y-x)^6+9-x-y)^3÷(x+y)^2
(x+y)-(x-y)^3÷(x-y)(x+y)×2y化简
计算 [ ( x+y ) ( x-y ) ] ^ 9 ÷ ( y-x )^ 8 ÷ ( -x-y )^9
求函数f(x,y)=x×x×x-y×y×y+3×x×x+3×y×y-9x的极值
已知x:y=2:3,求(x^2-y^2/xy)÷[(x+y)×(x-y/x)^3]÷(x/y^2)
(3x-2y)×(3x+2y)×(9x+4y)
(x+y)(x-y)+(x-y)^2-(6x^2×y÷2y-2xy^2÷2y)其中x=-3,y=1/3
x*(9x^3y-3xy^2)÷(-3x^2y)= 【(x+y)^2-(x-y)^2】÷(-4xy)=