$\int_{-\frac{\pi}{4}}^{\frac{\pi}{4}}\left(\frac{\sin\left(x\right)}{\cos\left(x\right)^2}\right)dx$

$\left(5\right)\left(\frac{150}{1}\right)$

$\int\frac{x^{3}-x+3}{x^{2}+x-2}dx$

$\sqrt[3]{x}.\sqrt[2]{x^2}$

$\left(23y\right)^2$

$-am+6mn-45\:-am-5mb+65\:+3am-25$

$\frac{5}{6}\left(0.5-1\right)^{-2}-\left(0.1\right)^{-1}+0.6666-\sqrt[3]{-0.125}$