$\frac{k}{4}+3=14$
$2-\left|-1-1\right|$
$2x<5x+2\:$
$5x+2>x-6$
$\frac{20a^2b^2}{-10a^5b}$
$-9-1+2$
$\int3\left(3p+4\right)dp$
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