ГДЗ по математике 6 класс Мерзляк Задание 190

\[\boxed{\mathbf{190\ (190).}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]

\[\frac{3}{9} = \frac{3\ :3}{9\ :3} = \frac{1}{3}\]

\[\frac{12}{33} = \frac{12\ :3}{33\ :3} = \frac{4}{11}\]

\[\frac{30}{45} = \frac{30\ :3}{45\ :3} = \frac{10}{15}\]

\[\frac{15}{36} = \frac{15\ :3}{36\ :3} = \frac{5}{12}\]

\[\frac{99}{240} = \frac{99\ :3}{240\ :3} = \frac{33}{80}\]