\[\boxed{\text{463\ (463).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[\textbf{а)}\ 0,3\sqrt{289} = 0,3 \cdot 17 = 5,1\]
\[\textbf{б)} - 4\sqrt{0,81} = - 4 \cdot 0,9 = - 3,6\]
\[\textbf{в)}\ \sqrt{\frac{9}{49}} - 1 = \frac{3}{7} - 1^{\backslash 7} = \frac{3 - 7}{7} =\]
\[= - \frac{4}{7}\]
\[\textbf{г)}\ \ \frac{4}{\sqrt{256}} - \frac{1}{\sqrt{64}} = \frac{4}{16} - \frac{1^{\backslash 2}}{8} =\]
\[= \frac{4 - 2}{16} = \frac{2}{16} = \frac{1}{8}\]
\[\textbf{д)}\ 2\sqrt{0,0121} + \sqrt{100} =\]
\[= 2 \cdot 0,11 + 10 = 0,22 + 10 =\]
\[= 10,22\]
\[\textbf{е)}\ \frac{\sqrt{144}}{6} + \sqrt{2,89} = \frac{12}{6} + 1,7 =\]
\[= 2 + 1,7 = 3,7\]