$z=x^nf\left(\frac{y}{x^2}\right)\:$
$\left(x^2\left(x+1\right)\right)\left(3\left(x+2\right)^2\right)=3x^2\left(x+1\right)\left(x+2\right)^2$
$\sqrt{2x-3}\:+x=-3$
$12^{11}\cdot12^{-10}$
$1010+0111$
$\int re^{\frac{1}{2}}dr$
$48x+24y$
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