11. Вычислим: √4 / √2 × √32
$$\frac{\sqrt{4}}{\sqrt{2} \cdot \sqrt{32}} = \frac{2}{\sqrt{2 \cdot 32}} = \frac{2}{\sqrt{64}} = \frac{2}{8} = \frac{1}{4}$$
Ответ: 1/4