$2^{2^3}$

$-\left(\left(3.6+4\right)\cdot\left(1.8\cdot\left(-5.1+3.9\right)\right)\right)$

$\frac{d}{dx}\left(\frac{\left(lnx\right)^x}{2^{5x+1}}\right)$

$\frac{27x^{5\:}y^5}{9x^{3\:}y^3}$

$\lim_{x\to0}\left(\frac{4ln\left(3+e^x\right)}{3x}\right)$

$\int\sqrt{a}x^{\frac{2}{11}}dx$

$2x^2-8x=-30$