$t^2-36$
$\sqrt{m^{12}}$
$x^2\le3-2x$
$-tan2xcotx$
$-27\::\:\left[\:-\:3\:.\:\left(\:-9\:-6\:\right)\:-\:72\::\:2\:\right]$
$\int\frac{4}{\left(1+e^{4x}\right)e^{-4x}}dx$
$\int\frac{2y-1}{\sqrt{y^2+4y+5}}dy$
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