$\int\left(\frac{x+1}{2}\right)dx$

$\left|6-\left(-1\right)\right|$

$\left(e^y+ye^x\right)dx+\left(e^x+xe^y\right)dy=0$

$2\left(9y-6\right)+6$

$\frac{\left(\frac{x^2y^{-3}}{x^7y^{-1}}\right)}{\frac{xy^{-1}}{x^2y}}$

$5.56+2.99+19.13+15.73+5.59+18.56$

$\frac{1}{4}^{x^2}+3x-6x^2-\frac{1}{6}x+\frac{2}{3}-\frac{1}{4}$