$-x^3+9>0$
$-\frac{1}{2}\int e^u\:du$
$\lim_{x\to0}\left(\frac{2\sqrt{x^2+4}}{x}\right)$
$-7+x=-10$
$53.75\left(2.5\right)$
$\frac{81m^4-n^6}{9m^2-n^3}$
$4x-8<6$
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