$\lim_{x\to0}\left(\frac{x^2}{\sqrt{x^4+16}-4}\right)$
$\frac{x^3-1}{\sqrt[4]{x-3}}$
$2\pi\int_0^1\left(e^{-x}\right)\sqrt{1+e^{-2x}}dx$
$\frac{2}{x^3}-\frac{3}{x^4}$
$\frac{6x-48}{5x^2-320}$
$24\:+\:s\:=\:47$
$\sin\left(x-250.\right)=\frac{\sqrt{3}}{2}$
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