2. Вычислите: $$\frac{3^{10} \cdot (3^2)^3}{3 \cdot (3^5)^2} = \frac{3^{10} \cdot 3^{2 \cdot 3}}{3 \cdot 3^{5 \cdot 2}} = \frac{3^{10} \cdot 3^6}{3 \cdot 3^{10}} = \frac{3^{10+6}}{3^{1+10}} = \frac{3^{16}}{3^{11}} = 3^{16-11} = 3^5 = 243$$