$\lim_{x\to\infty}\left(\frac{\sin\left(x\right)}{2x-3}\right)$

$\lim_{x\to0}\frac{e^{\tan\left(x\right)}-1}{\tan\left(x\right)}$

$\int\frac{1}{2}\:dz$

$\sqrt[3]{81b^7}$

$\int_0^1\pi\left(x^{\frac{2}{3}}\right)^2dy$

$-5+2\left(6-\left(-2+8\right)+30:\left(8-6\cdot3\right)\right)-3$

$x\left(y\right)^2dx+\left(x\right)^ydy=0$