Вычисли значения выражений из столбиков Д и Е

- Д: $3\frac{3}{4} \cdot 1\frac{1}{3} = \frac{15}{4} \cdot \frac{4}{3} = \frac{15 \cdot 4}{4 \cdot 3} = \frac{15}{3} = 5$ $1,5 : \frac{3}{5} = \frac{3}{2} : \frac{3}{5} = \frac{3}{2} \cdot \frac{5}{3} = \frac{3 \cdot 5}{2 \cdot 3} = \frac{5}{2} = 2,5$ $\frac{5}{7} : 35 = \frac{5}{7} : \frac{35}{1} = \frac{5}{7} \cdot \frac{1}{35} = \frac{5 \cdot 1}{7 \cdot 35} = \frac{1}{7 \cdot 7} = \frac{1}{49}$ $\frac{5}{8} \cdot 1\frac{3}{5} = \frac{5}{8} \cdot \frac{8}{5} = \frac{5 \cdot 8}{8 \cdot 5} = 1$ $30 \cdot \frac{5}{6} = \frac{30}{1} \cdot \frac{5}{6} = \frac{30 \cdot 5}{1 \cdot 6} = \frac{5 \cdot 5}{1} = 25$ - E: $6 : \frac{2}{3} = \frac{6}{1} : \frac{2}{3} = \frac{6}{1} \cdot \frac{3}{2} = \frac{6 \cdot 3}{1 \cdot 2} = \frac{3 \cdot 3}{1} = 9$ $1\frac{2}{7} \cdot 2\frac{1}{3} = \frac{9}{7} \cdot \frac{7}{3} = \frac{9 \cdot 7}{7 \cdot 3} = \frac{9}{3} = 3$ $\frac{7}{8} : 1\frac{5}{16} = \frac{7}{8} : \frac{21}{16} = \frac{7}{8} \cdot \frac{16}{21} = \frac{7 \cdot 16}{8 \cdot 21} = \frac{1 \cdot 2}{1 \cdot 3} = \frac{2}{3}$ $2\frac{1}{7} \cdot 0,7 = \frac{15}{7} \cdot \frac{7}{10} = \frac{15 \cdot 7}{7 \cdot 10} = \frac{3 \cdot 1}{1 \cdot 2} = \frac{3}{2} = 1,5$ $3\frac{3}{7} \cdot 1\frac{1}{6} = \frac{24}{7} \cdot \frac{7}{6} = \frac{24 \cdot 7}{7 \cdot 6} = \frac{4 \cdot 1}{1 \cdot 1} = 4$