Practice Test 3

$\frac{2x^{13}a^{36}z^{12}}{y^{18}}$

$\frac{5x^{13}y-2az^{12}}{4y}$

$2x^{13}-18a-36z^{12}$

$\frac{2x^{13}z^{12}}{y^{18}a^{36}}$

$\frac{5x^{13}y-2az^{12}}{4}$