$-7+5-\left(-7+4\right)-\left(2-5\right)+\left(5-9\right)$
$464+-35$
$\frac{12-6csc^2x}{csc^2x}$
$\frac{d}{dx}\left(\sqrt[2]{x}\cdot e^{2x}\right)$
$\left(-57-67\right)\cdot\left(85-14\right)$
$\frac{3}{4}\left(6x-9\right)-\left(6x+4\right)-\frac{7}{2}\le4x-\frac{5x+3}{6}+\frac{5}{8}$
$\frac{31}{30}+\frac{25}{36}+0.01$
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