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

$\int\left(3\right)dy$

$\:+1\:-\left[-4\:+\left(-10\right):\left(-5\right)\right]+\left[+3+\left(-9\right):\left(-9\right)\right]\:$

$\log\sqrt[3]{x}=\frac{1}{3}\log\left(x\right)$

$\left(a+12\right)\left(a+5\right)$

$\lim_{x\to0}\left(\frac{x^2+x}{x^3-2x^2+x}\right)$

$15+17+\left(-8\right)$