9) 9 3 1 3 1 3 =) (3)/ 1 81

9) $$\left(\frac{1}{3}\right)^9 : \left(\frac{1}{3}\right)^2 : \left(\frac{1}{3}\right)^3 = \left(\frac{1}{3}\right)^{9-2-3} = \left(\frac{1}{3}\right)^{4} = \frac{1}{81}$$

Ответ: 1/81