3. Вычислите:
$$\frac{3^{13} \cdot 5^{13}}{15^{11}} + \left(\frac{1}{15}\right)^0 = \frac{(3 \cdot 5)^{13}}{15^{11}} + 1 = \frac{15^{13}}{15^{11}} + 1 = 15^{13-11} + 1 = 15^2 + 1 = 225 + 1 = 226$$