$22-777-\left(-97\right)-\left(-15\right)$
$3x+4+2x+3$
$\frac{sec\left(x\right)}{sin^3\left(x\right)}=\frac{csc^3\left(x\right)}{cos\left(x\right)}$
$\left(x-7\right)^2<x-5$
$\lim_{t\to2}\left(\frac{4-t^2}{3-\sqrt{t^2+5}}\right)$
$-\:18\:+\:2\:-\:9\:+\:3\:-\:5\:+\:1\:+\:11\:-\:6$
$a^3-4a^2+6a-4$
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