\(\boxed{\text{443.}\text{\ }\text{ОК\ ГДЗ\ -\ домашка\ на\ 5}}\)
\[\textbf{а)} - \sqrt{6}.\]
\[\textbf{б)}\ \sqrt{2} \approx 1,41;\ \ \sqrt{3} \approx 1,73\]
\[Число:1,5.\]
\[\textbf{в)} - \sqrt{10}.\]
\[\textbf{г)}\ \frac{1}{3} \rightarrow \frac{1}{9} = \frac{4}{36};\ \frac{1}{2} \rightarrow \frac{1}{4} = \frac{9}{36}\]
\[Число:\ \frac{\sqrt{5}}{6}\]