ж) \(\sqrt{2\frac{14}{25}} = \sqrt{\frac{2 \cdot 25 + 14}{25}} = \sqrt{\frac{50 + 14}{25}} = \sqrt{\frac{64}{25}} = \frac{\sqrt{64}}{\sqrt{25}} = \frac{8}{5} = 1\frac{3}{5}\)
Ответ: \(1\frac{3}{5}\)