[x(x^2y^2-xy)-y(x^2-x^3y)]除以3x^2y_数学解答

[x(x^2y^2-xy)-y(x^2-x^3y)]除以3x^2y

人气：337 ℃　时间：2019-10-02 20:42:06

解答

[x(x^2y^2-xy)-y(x^2-x^3y)]除以3x^2y
=(x³y²-x²y-x²y+x³y²)÷3x²y
=(2x³y²-2x²y)÷3x²y
=2xy/3-2/3