$\frac{1}{27}m^3n^3+m^6n^6$

$4,43-0,283$

$2\cos\left(180\right)+3\sin\left(90\right)-5\cos\left(0\right)-7\sin\left(270\right)$

$\lim_{x\to2}\left(\frac{x^3-2x^2-9x+18}{x^3-8}\right)$

$\frac{dy}{dx}=\frac{3}{4}.\sqrt{x}+\frac{1}{x}$

$\int\frac{1}{64+\left(x-3\right)^2}dx$

$x^3y^6-216y^9$