$319+1004+12.319$
$5\left(-3x-6\right)-5x$
$\int_{-2}^2\left(x+2\right)kdx$
$\frac{\left(5x^3-2x+3\right)}{\left(x+2\right)}$
$\left(6m^4-2b^3\right)^2$
$\frac{\cos^{4}\theta-\sin^{4}\theta}{\cos^{2}\theta}\equiv1-\tan^{2}\theta$
$\sqrt{x-3}-\sqrt{2x+2};\:x=7$
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