$\sqrt{4-25\left(\frac{2}{5}sin\:\theta\:\right)}$
$8x^3+6x^2$
$128t-16t^2+4>196\:$
$+2-4+5-6+7-3+5-6+7$
$\lim_{x\to\infty}\left(\frac{sin\left(x\right)}{x}\right)^{\frac{20}{x^2}}$
$\frac{x^5}{x^2+1}$
$2010-\left(373-63\right)$
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