$\frac{1+tan}{1-tan}$
$5m^{6}+4m^{5}-2m^{6}$
$32-\left(-14\right)$
$x^2+y^2=4a^2x$
$sin\left(2\pi\right)$
$\lim_{x\to0}\left(2\sin\left(x\right)\cos\left(x\right)\right)$
$\left(\frac{-2y^4}{-y^4}\right)^3$
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