Question

Решение этих примерах

Answer 1

1)

а)

$\frac{2}{5} \times \frac{3}{7} = \frac{6}{35}$

б)

$\frac{3}{4} \times \frac{5}{11} = \frac{15}{44}$

в)

$\frac{2}{9} \times \frac{11}{7} = \frac{22}{63}$

г)

$\frac{4}{5} \times \frac{6}{19} = \frac{24}{95}$

2)

а)

$\frac{5}{7} \times \frac{7}{13} = \frac{5}{13}$

б)

$\frac{4}{9} \times \frac{1}{4} = \frac{1}{9}$

в)

$\frac{3}{8} \times \frac{8}{13} = \frac{3}{13}$

г)

$\frac{3}{7} \times \frac{7}{11} = \frac{3}{11}$

3)

а)

$\frac{6}{25} \times \frac{15}{17} = \frac{18}{85}$

б)

$\frac{14}{15} \times \frac{4}{21} = \frac{8}{45}$

в)

$\frac{24}{25} \times \frac{7}{36} = \frac{14}{25}$

г)

$\frac{5}{24} \times \frac{16}{17} = \frac{10}{51}$