I.
[tex]a) \ \sqrt{1\frac{9}{16}} = \sqrt{\frac{25}{16}} = \frac{5}{4} = 1\frac{1}{4}\\\\b) \ \sqrt{2\frac{1}{4}} = \sqrt{\frac{9}{4}} = \frac{3}{2} = 1\frac{1}{2}\\\\c) \ \sqrt{5\frac{19}{25}} = \sqrt{\frac{144}{25}} = \frac{12}{5} = 2\frac{2}{5}\\\\d) \ \sqrt{3\frac{1}{16}} = \sqrt{\frac{49}{16}} = \frac{7}{4} = 1\frac{3}{4}\\\\e) \ \sqrt{2\frac{2}{49}}=\sqrt{\frac{100}{49}} = \frac{10}{7} = 1\frac{3}{7}\\\\f) \ \sqrt{6\frac{1}{4}} = \sqrt{\frac{25}{4}} = \frac{5}{2} = 2\frac{1}{2}[/tex]
II.
[tex]a) \ \sqrt{0,04} = \sqrt{0,2^{2}} = 0,2\\\\b) \ \sqrt{0,0144} = \sqrt{0,12^{2}} = 0,12\\\\c) \ \sqrt{6,25} = \sqrt{2,5^{2}} = 2,5\\\\d) \ \sqrt{2,25} = \sqrt{1,5^{2}} = 1,5\\\\e) \ \sqrt{1,44} = \sqrt{1,2^{2}} = 1,2\\\\f) \ \sqrt{0,64} = \sqrt{0,8^{2}} = 0,8[/tex]
