$x^22+8\:=20$
$10n-2$
$\frac{dy}{dx}=-\frac{\left(x+y\right)}{x}$
$3\left(2\right)^3+2\left(2\right)\left(-2\right)-4\left(-2\right)^2$
$\frac{d}{dx}\sqrt[11]{x}$
$\frac{1-\:\sec^2b}{\sin^2b}$
$53w+13<56w+16$
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