$85\cdot39$
$x^6-4^3-32$
$\frac{secx+cscx}{secx-cscx}$
$-30r+15$
$\left(cos\:\theta\:+1\right)\left(cos\:\theta\:-1\right)$
$\left(-\frac{1}{31200}\right)+\left(\frac{1}{3307.5}\right)+\left(\frac{1}{360}\right)+\left(\frac{2}{985.359375}\right)+\left(\frac{1}{2450}\right)+\left(-\frac{1}{11088}\right)$
$40\:por\:1.50$
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