$\left(13ab^3-5b\:\right)^2$
$\int\:\sqrt{5-x^2}dx$
$n^2-3n-208=0$
$5-2\cdot3$
$\lim_{x\to0}\left(\frac{7-79\cos\left(x\right)}{x^2}\right)$
$\frac{32^{5}-15z^{3}+62}{9z}$
$5cos\left(5x\right)=4$
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