$\lim_{x\to-3}\left(x^4-81\right)$
$-4x-5y-8y+7+8x$
$-22\:-\:\left(-22\right)\:+14\:-\:\left(-18\right)\:+\:\left(-29\right)-\:\left(-31\right)$
$\left(17-5i\right)-\left(16-11i\right)$
$\left(3p+2q^3\right)^5$
$3.5474\cdot256$
$\frac{2m^3+12m-4}{2m-1}$
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