$582-98.45$
$3tan0.644-5sec0.644-4$
$\frac{x^2-x-6}{x+1}$
$a+b+b-a$
$\lim_{x\to0}\left(\frac{x+sen\left(x\right)}{x-cos\left(x\right)}\right)$
$93-\left(0.92\cdot10^2\right)$
$\frac{x^2-6x+4}{x-1}$
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