3) \( \frac{3}{9} \times \frac{1}{3} \)

\( \frac{3}{9} \times \frac{1}{3} = \frac{3 \cdot 1}{9 \cdot 3} = \frac{3}{27} = \frac{1}{9} \) Ответ: \( \frac{1}{9} \)