Решебник по математике 6 класс Ерина Никольский рабочая тетрадь Часть 1, 2 Часть 1 | Страница 80

\[\mathbf{Страница\ 80.}\]

\[\boxed{\mathbf{4.}}\]

\[\textbf{а)} - \frac{14}{17}\]

\[\textbf{б)}\ \frac{4}{9}\]

\[\textbf{в)}\ \frac{13}{15}\]

\[\textbf{г)}\ - \frac{32}{78}\]

\[\textbf{д)}\ - \frac{14}{51}\]

\[\textbf{е)}\ \frac{16}{27}\]

\[\boxed{\mathbf{5.}}\]

\[\textbf{а)}\ - \frac{6}{18}\]

\[\textbf{б)} - \frac{15}{45}\]

\[\textbf{в)} - \frac{21}{63}\]

\[\textbf{г)} - \frac{2}{18}\]

\[\textbf{д)} - \frac{5}{45}\]

\[\textbf{е)} - \frac{7}{63}\]

\[\boxed{\mathbf{6.}}\]

\[\textbf{а)}\ \frac{3}{7}\]

\[\textbf{б)}\ - \frac{96}{72} = - \frac{4}{3}\]

\[\textbf{в)}\ \frac{36}{108} = \frac{1}{3}\]

\[\textbf{г)}\ \frac{66}{77} = \frac{6}{7}\]

\[\textbf{д)}\ \frac{35}{105} = \frac{1}{3}\]

\[\textbf{е)}\ - \frac{32}{352} = - \frac{1}{11}\]

\[\textbf{ж)} - 50\]

\[\textbf{з)}\ \frac{17}{51} = \frac{1}{3}\]

\[\textbf{и)}\ \frac{57}{76} = \frac{3}{4}\]

\[\boxed{\mathbf{7.}}\]

\[\textbf{а)}\ x = - 4\]

\[\textbf{б)}\ x = - 35\]

\[\textbf{в)}\ x = 26\]

\[\textbf{г)}\ x = 3\]

\[\textbf{д)}\ x = 85\]

\[\textbf{е)}\ x = 6\]

\[\boxed{\mathbf{8.}}\]

\[\textbf{б)}\frac{11}{16}\]

\[\textbf{в)}\ - \frac{2}{7}\]

\[\textbf{г)}\ \frac{5}{6}\]

\[\textbf{д)}\ \frac{5}{9}\]

\[\textbf{е)}\ \frac{4}{5}\]

\[\textbf{ж)}\ \frac{10}{91}\]

\[\textbf{з)}\ \frac{8}{19}\]