$\arctan\ln\left(x^2\right)$
$\frac{1}{tanx}-\frac{1}{sinx}$
$-xdx+\frac{1}{y}dy=0$
$\frac{x^3-2x^2+2x+1}{x-2}$
$2\:1\:2\:1\:=\:5$
$\frac{x^2}{2}+2$
$\left(22v^3w^2\right)-\left(12.3v^3w^2\right)$
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