$3+\left(-5\right)-\left(-7\right)$
$\frac{8j^4k^8}{2j^5k^6}$
$6a-\left(-2^4\right)$
$\int\frac{2x-1}{\left(x^2+1\right)^2}dx$
$5x+12<x+16$
$x-5>3x+7$
$-x^2-2x-10$
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