$\left[13\:+\:\left(-\:4\right)\right]\:-\:\left(-16\:+\:7\right)$

$6+-3x$

$\frac{dy}{dx}=\sqrt[5]{31}$

$\int6\cosh^2\left(x-3\right)\sinh\left(x-3\right)dx$

$\frac{dy}{dx}=\frac{r^3+3r^2+3r+1}{x^2-2x+1}$

$03\left(x^2-10x+25\right)^2$

$\int_0^{0.02}\left(ce^{-1000c}\right)dc$