\[\mathbf{Страница\ 82.}\]
\[\boxed{\mathbf{1.}}\]
\[\textbf{а)}\ равны\ их\ числители.\]
\[\textbf{б)}\ больше\ числитель.\]
\[\textbf{в)}\ 1)\ общему\ знаменателю.\]
\[\textbf{г)}\ больше.\]
\[\textbf{д)}\ меньше.\]
\[\textbf{е)}\ больше.\]
\[\boxed{\mathbf{2.}}\]
\[\textbf{а)}\ \frac{7}{15} > \frac{2}{5}\]
\[\frac{2}{9} = \frac{6}{27}\]
\[\textbf{б)}\ \frac{1}{17} = \frac{3}{51}\]
\[\frac{3}{8} < \frac{5}{6}\]
\[\textbf{в)}\ \frac{17}{40} < \frac{17}{21}\]
\[\frac{5}{11} > \frac{5}{18}\]
\[\textbf{г)}\ 1 = \frac{3}{3}\]
\[3 > \frac{7}{7}\]
\[\boxed{\mathbf{3.}}\]
\[\textbf{а)}\ 18 > - 64\]
\[- 94 < 0\]
\[- 1000 < - 1\]
\[\frac{3}{7} > - \frac{3}{7}\]
\[\textbf{б)}\ 76 > 0\]
\[58 > - 1000\]
\[36 > - 36\]
\[- \frac{1}{8} < - \frac{- 5}{8}\]
\[\textbf{в)}\ 1 > \frac{5}{6}\]
\[1 > \frac{10}{7}\]
\[- \frac{4}{9} < - \frac{3}{9}\]
\[\frac{1}{- 8} > \left( - \frac{3}{8} \right)\]
\[\textbf{г)} - \frac{1}{7} < - \frac{1}{8}\]
\[- \frac{1}{5} > - \frac{1}{3}\]
\[- \frac{7}{10} < - \frac{2}{5}\]
\[- \frac{15}{32} > - \frac{5}{8}\]