$10-\left(-11\right)$

$\frac{dx}{dy}=\frac{\left(x+1\right)}{2y}$

$\sqrt{1+3}$

$\int\frac{8x}{\left(x^2-5\right)^7}dx$

$-\left|-10\right|+\left|-4\left(-3\right)+5\right|$

$\frac{1}{2}\int_{\frac{2\pi\:}{3}}^{\frac{4\pi}{3}}\left(1+2cosx\right)^2dx$

$-5x-3y+6x+9y-1$