Вычислите:

1. a) $$ \sqrt{0.09} = 0.3 $$
2. б) $$ \sqrt{0.01} = 0.1 $$
3. в) $$ \sqrt{400} = 20 $$
4. г) $$ \sqrt{4900} = 70 $$
5. д) $$ \sqrt{1.21} = 1.1 $$
6. e) $$ \sqrt{0.0049} = 0.07 $$
7. ж) $$ -\sqrt{1.69} = -1.3 $$
8. з) $$ \sqrt{\frac{1}{9}} = \frac{1}{3} $$
9. и) $$ \sqrt{\frac{1}{25}} = \frac{1}{5} $$
10. к) $$ \sqrt{\frac{1}{1600}} = \frac{1}{40} $$
11. л) $$ \sqrt{1\frac{9}{16}} = \sqrt{\frac{25}{16}} = \frac{5}{4} = 1.25 $$
12. м) $$ \sqrt{20\frac{1}{4}} = \sqrt{\frac{81}{4}} = \frac{9}{2} = 4.5 $$
13. н) $$ \sqrt{1\frac{11}{25}} = \sqrt{\frac{36}{25}} = \frac{6}{5} = 1.2 $$
14. о) $$ \sqrt{3\frac{1}{16}} = \sqrt{\frac{49}{16}} = \frac{7}{4} = 1.75 $$