$10\cdot10\cdot10\cdot10\cdot10\cdot10\cdot10\cdot10\cdot10\cdot10\cdot10$

$\lim_{x\to3}\left(\frac{t^3-4t+15}{t^2-t-12}\right)$

$\frac{d}{dx}\left(y=ln\left(\frac{x+1}{x^2}\right)\right)$

$y'-xy^2=2x$

$4x^{-\frac{3}{8}}$

$\frac{x}{\sqrt{2x+1}}$

$35\left\{4+3\left[6+\left(7+8+3\left[+4\left[4+3\:\left(2+5\right)\right]\right]\right)\right]\right\}$