$-3\cdot14$
$4n+6+n-2$
$\frac{z}{3}^2$
$x^{3}+x^{2}y+x^{1}y^{2}+y^{3}$
$100+x+0.01x^2=700\:$
$d^2r=-32d^2t$
$\lim_{x\to0}\left(\cos^{\frac{1}{x}}\right)$
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