$2x\:+\:7\:+\:7x$
$\left(-6\cdot2^5\right)\left(7\cdot2^9\right)$
$93.65+2.7$
$x\:=\:\frac{3y-5}{2}$
$4x\le\frac{7}{9}$
$\left(n^3-8\right)\left(n^3+2\right)$
$\frac{35}{1471}-2.1721$
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