$\lim_{x\to0}\left(\ln\left(e\right)\right)^{\frac{1}{x-e}}$

$\left(-68\right)-\left(-4\right)+\left(-73\right)-\left(52\right)+\left(+106\right)$

$15a^32b^2c^4$

$\frac{d}{dx}y\:=\:t^{\sqrt{3t}}$

$\frac{x^2-4}{x+4}$

$16x=32x^2$

$-\left(-18\right)+\left(-5-\left(+8+\left(-10\right)\right)\right)$