$\lim_{x\to\pi}\frac{\pi-x}{\sin\left(x\right)}$

$\int_1^5\left(\frac{m}{e^m}\right)dm$

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

$\left|-5\right|+5$

$-\left(x-5\right)^2$

$\lim_{x\to\infty}\left(x^{\left(\frac{2}{ln\left(x\right)}\right)}\right)$

$\frac{3x}{4}+\frac{5x^3}{6}+\frac{2}{3}x-\frac{3}{4}y^2+\frac{y^2}{2}+\frac{x}{3}$