9 (32)5.37 (35)3 =

9. $$\frac{(3^2)^5 \cdot 3^7}{(3^5)^3} = \frac{3^{2\cdot5} \cdot 3^7}{3^{5\cdot3}} = \frac{3^{10} \cdot 3^7}{3^{15}} = \frac{3^{10+7}}{3^{15}} = \frac{3^{17}}{3^{15}} = 3^{17-15} = 3^2 = 9$$

Ответ: 9