$\frac{1}{2}x^2y\:-\frac{1}{3}x^2y$

$\left(10-4\right)-\left|2-\left(1-6\right)\right|$

$\left(x^{10}\right)^2$

$\frac{dy}{dx}=e^{\left(x^2\right)}$

$\left(-x+y+2z^2\right)+\:\left(x+y-z^2\right)$

$\sqrt[4]{\frac{\sin\left(x\right)\cos^2\left(x\right)}{xe^x}}$

$\frac{d}{dx}\left(\frac{1}{\left(t+4\right)\left(t+2\right)\left(t+9\right)}\right)$