$18:6-4\cdot\left(-2+6\cdot7\right)+45:\left(3-9+7-4\right)$

$\sin2x\cdot\cos2x=6\sin^3x$

$\left(3z+1\right)^4$

$\frac{d}{dx}\left(x\ln\left(y\right)=xe^y\right)$

$\left(\sqrt[2]{2x-5}\right)\left(\sqrt[2]{2x-6}\right)$

$-2^3-5\cdot\left(-2\right)$

$0.5x^2+6x+10.01$