36) k¹⁵: k³ k¹¹ =

36) $$ \frac{k^{15}: k^3}{k^{11}} = \frac{k^{15-3}}{k^{11}} = \frac{k^{12}}{k^{11}} = k^{12-11} = k^1 = k$$

Ответ: k