xy^{2}

(xy)^2

\frac{\left|x-y\right|}{x}+\sqrt{y^2}

\frac{\left|y-x\right|}{y}-\sqrt{x^2}

\frac{\left(xy\right)^2}{xy^2}

\frac{xy^2}{\left(xy\right)^2}

2x^{2}+2\left(x-y\right)

2y^{2}-2\left(x+y\right)

3\sqrt[3]{y^{3}}-2\sqrt{x^2}

y\sqrt[3]{x^{3}}-x\sqrt{y^2}