\[\boxed{\mathbf{3.}}\]
\[1)\ 4\ м\ 3\ см = 4\ м + 3\ см =\]
\[= 4\ м + \frac{3}{100}\ м = 4\frac{3}{100}м\]
\[2)\ 15\ м\ 36\ см = 15\ м + 36\ см =\]
\[= 15\ м + \frac{36}{100}\ м = 15\frac{36}{100}\ м\]
\[3)\ 2\ км\ 5\ дм =\]
\[= 2000\ м + \frac{5}{10}\ м = 2000\frac{5}{10}\ м\]
\[\mathbf{35.\ Сложение\ и\ вычитание\ смешанных\ чисел}\]
\[\boxed{\mathbf{1.}}\]
\[1)\ 2\frac{3}{7} + 4\frac{1}{7} =\]
\[= (2 + 4) + \left( \frac{3}{7} + \frac{1}{7} \right) =\]
\[= 6 + \frac{4}{7} = 6\frac{4}{7}\]
\[2)\ 5\frac{1}{6} + 3\frac{5}{6} =\]
\[= (5 + 3) + \left( \frac{1}{6} + \frac{5}{6} \right) =\]
\[= 8 + \frac{6}{6} = 8 + 1 = 9\]
\[3)\ 1\frac{2}{5} + 2\frac{4}{5} =\]
\[= (1 + 2) + \left( \frac{2}{5} + \frac{4}{5} \right) = 3 + \frac{6}{5} =\]
\[= 3 + 1\frac{1}{5} = 4\frac{1}{5}\]
\[4)\ 6\frac{7}{11} + 1\frac{5}{11} =\]
\[= (6 + 1) + \left( \frac{7}{11} + \frac{5}{11} \right) =\]
\[= 7 + \frac{12}{11} = 7 + 1\frac{1}{11} = 8\frac{1}{11}\]
\[\boxed{\mathbf{2.}}\]
\[1)\ 3\frac{4}{5} - 1\frac{1}{5} =\]
\[= (3 - 1) + \left( \frac{4}{5} - \frac{1}{5} \right) = 2\frac{3}{5}\]
\[2)\ 4\frac{2}{7} - 2\frac{4}{7} = 3\frac{9}{7} - 2\frac{4}{7} =\]
\[= (3 - 2) + \left( \frac{9}{7} - \frac{4}{7} \right) = 1\frac{5}{7}\]
\[3)\ 5\frac{2}{13} - 4\frac{5}{13} = 4\frac{15}{13} - 4\frac{5}{13} =\]
\[= (4 - 4) + \left( \frac{15}{13} - \frac{5}{13} \right) = \frac{10}{13}\]
\[4)\ 3\frac{4}{15} - 1\frac{7}{15} = 2\frac{19}{15} - 1\frac{7}{15} =\]
\[= (2 - 1) + \left( \frac{19}{15} - \frac{7}{15} \right) = 1\frac{12}{15}\]
\[\mathbf{36.\ Умножение\ и\ деление\ дроби\ на\ натуральное\ число}\]