$\sqrt[4]{\frac{16}{16z^4}}$
$\frac{x^n}{5^n}$
$\:\left[p^2+\left(2q-r\right)\right]^2$
$f^2-5f+6$
$3x\:+\:5\:+4x\:=19$
$\:\left(3z-4q\right)^3$
$\lim_{x\to-\frac{1}{2}}\left(\frac{4x^2-1}{4x^2+8x+3}\right)$
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