$\lim_{x\to\frac{\pi}{2}}\left(\frac{\cos\left(x\right)}{x^3-1}\right)$
$\int\left(3x^5-8\right)^7\left(x^4\right)dx$
$\sin^2\tan+2\sin\cos+\cos^2\sin$
$a-b\:ao\:cubo\:$
$\int\left(6sin\left(\sqrt{x}\right)\right)dx$
$m^2-4m-320$
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