$\frac{y^2}{4}-yz+z^2$

$\frac{d}{dx}\cos\left(x^2+2\right)$

$\frac{2\sqrt[3]{27}+2\sqrt{3}-\frac{0.6}{\frac{1}{10}}+\sqrt{2}}{\sqrt{12}-\sqrt{8}}$

$\left(\frac{\left(x+1\right)\left(2x+1\right)\left(3x+1\right)}{\sqrt{\left(4x+1\right)}}\right)$

$24\cdot118$

$\left(3xy^3+5\right)^2$

$2y^2-y-10$