Найдите значение выражения:

1. a) $$ \sqrt{64} + \sqrt{25} = 8 + 5 = 13 $$
2. б) $$ \sqrt{81} : \sqrt{0.01} = 9 : 0.1 = 90 $$
3. в) $$ \sqrt{9} - \sqrt{0.36} = 3 - 0.6 = 2.4 $$
4. г) $$ 2\sqrt{121} - \sqrt{81} = 2 \cdot 11 - 9 = 22 - 9 = 13 $$
5. д) $$ -5\sqrt{0.36} + 2.8 = -5 \cdot 0.6 + 2.8 = -3 + 2.8 = -0.2 $$
6. е) $$ \sqrt{0.04} : \sqrt{0.000001} = 0.2 : 0.001 = 200 $$
7. ж) $$ \sqrt{0.09} + \sqrt{0.0049} = 0.3 + 0.07 = 0.37 $$
8. з) $$ - \frac{1}{19} \sqrt{361} - 100 \sqrt{2.25} = - \frac{1}{19} \cdot 19 - 100 \cdot 1.5 = -1 - 150 = -151 $$
9. и) $$ \sqrt{0.36} : \sqrt{\frac{1}{36}} = 0.6 : \frac{1}{6} = 0.6 \cdot 6 = 3.6 $$
10. к) $$ \sqrt{1 \frac{9}{16}} + \frac{2}{7} \sqrt{0.49} = \sqrt{\frac{25}{16}} + \frac{2}{7} \cdot 0.7 = \frac{5}{4} + \frac{2}{7} \cdot \frac{7}{10} = 1.25 + 0.2 = 1.45 $$
11. л) $$ 0.1 \sqrt{2 \frac{1}{4}} + 0.2 \sqrt{1 \frac{9}{16}} = 0.1 \sqrt{\frac{9}{4}} + 0.2 \sqrt{\frac{25}{16}} = 0.1 \cdot \frac{3}{2} + 0.2 \cdot \frac{5}{4} = 0.1 \cdot 1.5 + 0.2 \cdot 1.25 = 0.15 + 0.25 = 0.4 $$
12. м) $$ 0.2 - \frac{1}{6} \sqrt{1.44} = 0.2 - \frac{1}{6} \cdot 1.2 = 0.2 - \frac{1}{6} \cdot \frac{12}{10} = 0.2 - \frac{2}{10} = 0.2 - 0.2 = 0 $$
13. н) $$ \frac{\sqrt{2.25 + 2\sqrt{1.21}}}{\sqrt{400}} = \frac{\sqrt{2.25 + 2 \cdot 1.1}}{20} = \frac{\sqrt{2.25 + 2.2}}{20} = \frac{\sqrt{4.45}}{20} = \frac{2.11}{20} = 0.1055 $$
14. о) $$ \frac{3}{13} \sqrt{6.76} + \sqrt{256} : 0.4 = \frac{3}{13} \cdot 2.6 + 16 : 0.4 = \frac{3}{13} \cdot \frac{26}{10} + 40 = \frac{6}{10} + 40 = 0.6 + 40 = 40.6 $$