\[Стр.\ 30.\]
\[32.\ Сложение\ и\ вычитание\ смешанных\ чисел\]
\[\boxed{\mathbf{1.}}\]
\[\textbf{а)}\ 8 = 7\frac{6}{6}\]
\[\textbf{б)}\ 9 = 8\frac{4}{4}\]
\[\textbf{в)}\ 14 = 13\frac{10}{10}\]
\[\textbf{г)}\ 9 = 8\frac{5}{5}\]
\[\textbf{д)}\ 6 = 5\frac{3}{3}\]
\[\textbf{е)}\ 12 = 11\frac{7}{7}\]
\[\textbf{ж)}\ 15 = 14\frac{8}{8}\]
\[\textbf{з)}\ 24 = 23\frac{11}{11}\]
\[\textbf{и)}\ 3 = 2\frac{4}{4}\]
\[к)\ 9 = 8\frac{7}{7}\]
\[л)\ 28 = 27\frac{10}{10}\]
\[м)\ 40 = 39\frac{21}{21}\]
\[\boxed{\mathbf{2.}}\]
\[\textbf{а)}\ 7\frac{2}{3} = 6\frac{5}{3}\]
\[\textbf{б)}\ 15\frac{7}{9} = 14\frac{16}{9}\]
\[\textbf{в)}\ 12\frac{5}{8} = 11\frac{13}{8}\]
\[\textbf{г)}\ 1\frac{6}{10} = \frac{16}{10}\]
\[\textbf{д)}\ 11\frac{2}{7} = 10\frac{9}{7}\]
\[\textbf{е)}\ 16\frac{1}{5} = 15\frac{6}{5}\]
\[\textbf{ж)}\ 3\frac{6}{7} = 2\frac{13}{7}\]
\[\textbf{з)}\ 2\frac{8}{9} = 1\frac{17}{9}\]
\[\textbf{и)}\ 1\frac{1}{7} = \frac{8}{7}\]
\[к)\ 1\frac{3}{5} = \frac{8}{5}\]
\[л)\ 1\frac{4}{9} = \frac{13}{9}\]
\[м)\ 1\frac{9}{100} = \frac{109}{100}\]
\[\boxed{\mathbf{3.}}\]
\[\textbf{а)}\ 7\frac{1}{2} + 4 = (7 + 4) + \frac{1}{2} = 11\frac{1}{2}\]
\[\textbf{б)}\ 7\frac{1}{2} - 4 = (7 - 4) + \frac{1}{2} = 3\frac{1}{2}\]
\[\textbf{в)}\ 13\frac{3}{7} + 5 = (13 + 5) + \frac{3}{7} =\]
\[= 18\frac{3}{7}\]
\[\textbf{г)}\ 2\frac{8}{9} + 19 = (2 + 19) + \frac{8}{9} =\]
\[= 21\frac{8}{9}\]
\[\textbf{д)}\ 37\frac{5}{9} - 9 = (37 - 9) + \frac{5}{9} =\]
\[= 28\frac{5}{9}\]
\[\textbf{е)}\ 4\frac{13}{15} - 4 = (4 - 4) + \frac{13}{15} =\]
\[= \frac{13}{15}\]
\[\textbf{ж)}\ 15\frac{1}{10} - 8 = (15 - 8) + \frac{1}{10} =\]
\[= 7\frac{1}{10}\]
\[\textbf{з)}\ 34\frac{5}{11} + 9 = (34 + 9) + \frac{5}{11} =\]
\[= 43\frac{5}{11}\]