$\sqrt[6]{x^{11}}$

$9y+\left(-7x\right)-3x+1-6y+4$

$18-15+-\left(-22\right)+0$

$\frac{1}{5}wx^4y\:+\:\frac{1}{2}wx^4y\:\:+wx^4y\:+wx^4y$

$\tan\left(\frac{x}{2}\right)\csc\left(x\right)=\frac{1}{1+\cos\left(x\right)}$

$\left(6\cdot9y\right)^2$

$\left(\frac{3}{5}xy^2-3\right)^4$