$3x^2-5x+6\cdot4x-2$
$600\cdot\frac{2}{3}$
$\arctan^{-1}\left(\frac{\sqrt{2}}{2}\right)+\tan^{-1}\left(\frac{\sqrt{3}}{2}\right)]-\frac{\pi}{6}$
$\lim_{x\to2}\sqrt{\frac{2x+3-x}{x-3}}$
$x^{-1}$
$36xy^2-25x$
$5\left(2x-1\right)\:=\:9x\:+\:2$
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