1. Найдите значение выражения. Образец: \(\frac{2}{5} \cdot \frac{2.5}{5} = \frac{1.5}{5} \cdot \frac{5}{9}\) а) \(\frac{4}{5} \cdot \frac{4}{9}\) б) \(\frac{6}{11} \cdot \frac{6}{5}\) в) \(\frac{1}{10} \cdot \frac{1}{100}\) г) \(\frac{1}{3} \cdot \frac{2}{5}\) д) \(\frac{3}{10} \cdot \frac{3}{10}\) е) \(\frac{3}{5} \cdot \frac{2}{3}\) ж) \(\frac{9}{2} \cdot \frac{2}{3}\) 3) \(\frac{3}{10} \cdot \frac{5}{6}\) и) \(\frac{1}{2} \cdot \frac{7}{12}\) к) \(\frac{4}{7} \cdot \frac{8}{9}\) л) \(\frac{2}{5} \cdot \frac{3}{7}\) м) \(\frac{1}{12} \cdot \frac{3}{8}\)

1. Найдите значение выражения.

1. Образец: \(\frac{2}{5} \cdot \frac{2.5}{5} = \frac{1.5}{5} \cdot \frac{5}{9}\)
2. а) \(\frac{4}{5} \cdot \frac{4}{9} = \frac{4 \cdot 4}{5 \cdot 9} = \frac{16}{45}\)
3. б) \(\frac{6}{11} \cdot \frac{6}{5} = \frac{6 \cdot 6}{11 \cdot 5} = \frac{36}{55}\)
4. в) \(\frac{1}{10} \cdot \frac{1}{100} = \frac{1 \cdot 1}{10 \cdot 100} = \frac{1}{1000}\)
5. г) \(\frac{1}{3} \cdot \frac{2}{5} = \frac{1 \cdot 2}{3 \cdot 5} = \frac{2}{15}\)
6. д) \(\frac{3}{10} \cdot \frac{3}{10} = \frac{3 \cdot 3}{10 \cdot 10} = \frac{9}{100}\)
7. е) \(\frac{3}{5} \cdot \frac{2}{3} = \frac{3 \cdot 2}{5 \cdot 3} = \frac{6}{15} = \frac{2}{5}\)
8. ж) \(\frac{9}{2} \cdot \frac{2}{3} = \frac{9 \cdot 2}{2 \cdot 3} = \frac{18}{6} = 3\)
9. з) \(\frac{3}{10} \cdot \frac{5}{6} = \frac{3 \cdot 5}{10 \cdot 6} = \frac{15}{60} = \frac{1}{4}\)
10. и) \(\frac{1}{2} \cdot \frac{7}{12} = \frac{1 \cdot 7}{2 \cdot 12} = \frac{7}{24}\)
11. к) \(\frac{4}{7} \cdot \frac{8}{9} = \frac{4 \cdot 8}{7 \cdot 9} = \frac{32}{63}\)
12. л) \(\frac{2}{5} \cdot \frac{3}{7} = \frac{2 \cdot 3}{5 \cdot 7} = \frac{6}{35}\)
13. м) \(\frac{1}{12} \cdot \frac{3}{8} = \frac{1 \cdot 3}{12 \cdot 8} = \frac{3}{96} = \frac{1}{32}\)