$\lim_{x\to-3.01}\frac{\tan\left(x+3\right)}{x+3}$

$\frac{1m}{2}+\frac{2x}{3}-\frac{5}{4}x-2m$

$\frac{d}{dx}\sqrt{2x^2-4}$

$\lim_{h\to\frac{\:\pi\:}{3}}\left(\frac{\tan h}{\sin^2h-1}\right)$

$5x+12\:con\:x\:=2,5$

$\sqrt[2]{\frac{y^2}{100}}\:\:\:\sqrt[2]{\frac{z^4}{81}}$

$\frac{1}{6}k^2+\frac{1}{3}k^2-\frac{2}{3}k^2+\frac{4}{6}k^2$