$\frac{1+\sec\left(a\right)}{\sec\left(a\right)}$
$\frac{d}{dq}\left(-q^2-4q+96\right)$
$\lim\:_{x\to\:0}\left(\arcsin\left(\frac{x}{2}\right)\right)$
$9x^4-y^2$
$10x+5$
$64^{4\:}-49^6$
$\frac{5^{12}}{5^{-3}}$
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