$\sqrt{121\:k^8\:y^2^2}$

$\lim_{x\to0}\left(\frac{8x^2}{1}\right)$

$\frac{3}{25}am-1-\frac{7}{50}bm-2+\frac{1}{5}am-1-\frac{1}{25}bm-2-0.2am-1+\frac{1}{5}bm-2$

$-21ab+52ab-6ab+48ab-31ab+36ab-ab-23ab$

$\sqrt[5]{1}$

$\lim_{x\to\frac{\pi}{3}}\left(\frac{\sin\left(x\right)-\sqrt{3}\cos\left(x\right)}{1-2\cos\left(x\right)}\right)$

$\left(-4\right)-\left(-1\right)$