$23e^{-0.028\cdot0}$

$\frac{dy}{dx}\left(x^3-2xy+5\right)$

$6,5574+0,001$

$cos^2\left(x\right)+sin\left(x\right).sin\left(x\right).cos^2\left(x\right)$

$-9m^3+\left(-12m^3\right)$

$4y^5\left(7y^5+8y^4-6y^3\right)$

$\lim_{x\to0}\left(\frac{y^2+x^2}{\sqrt{x^2+y^2+1}-1}\right)$