$\frac{-3+\left(-3\right)}{-2}$

$-11^3$

$log\left(\frac{x\sqrt{z}}{y^2}\right)$

$10x-6y+4z$

$\lim_{x\to\infty}1+\frac{bx+7}{ax+4}$

$15+16\cdot2-3\left(5\cdot2+4-3\cdot2\right)\left[2+2\cdot\left(-2\right)-9\right]\left(-5\right)$

$m\left(y+2\right)-3\left(y+2\right)$