$\left(n+3\right)\left(n-1\right)\left(m\right)\left(m-1\right)$

$\frac{\left(\frac{2}{3}\right)^{-3}\cdot\left(\frac{2}{3}\right)^{2}}{[\left(-2\right)^{3}+2^{-3}]\cdot6^{3}-1}$

$0,00973+0,004$

$\frac{dy}{dx}=\frac{1}{\sin\left(x+y\right)\cos\left(x+y\right)}-1$

$x^2-14x-1=0$

$\left(\frac{3}{5}z^4+5\right)\left(\frac{3}{5}z^4-5\right)$

$\frac{dy}{dx}=-\frac{\sin\left(x+5\right)}{y}\:$