\[\boxed{\mathbf{617\ (617).\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 6x² + 7x + 2 = 0\]
\[2)\ x² - 8x - \frac{1}{3} = 0\]
\[3) - 0,5x^{2} + 2\frac{3}{7} = 0\]
\[4)\ 7,2x² - 2x = 0\]
\[\boxed{\mathbf{61}\mathbf{7}\mathbf{\text{.\ }}Еуроки\ - \ ДЗ\ без\ мороки}\]
\[3\sqrt{5} = \sqrt{45};\ \ \sqrt{38};\ \ 6,1 = \sqrt{37,21};\ \ \]
\[6 = \sqrt{36};\ \ 4\sqrt{2} = \sqrt{32};\ \ \]
\[3\sqrt{3} = \sqrt{27};\ \ \sqrt{35};\ \ 5,9 = \sqrt{34,81}.\]
\[В\ порядке\ возрастания:\]
\[3\sqrt{3};4\sqrt{2};5,9;\sqrt{35};6;6,1;\sqrt{38};3\sqrt{45}.\]
\[Русская\ актриса:\]
\[ЕРМОЛОВА.\]