$\frac{5x-1}{x-7}>7$
$46t+24t+22t+18-14$
$3y\:+\:z\:=\:13$
$\lim_{x\to0}\left(\frac{e^{2x^2}}{\sin^2\left(x\right)}\right)$
$\left(45\cdot\left(\left(987-306\right)+\left(-870\right)-985\right)\right)$
$81x^2+3x+36$
$\left(x^{-2}+y^{-3}\right)\left(\frac{1}{x^2}+\frac{1}{y^2}\right)$
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