Question

СРОЧНО.....................​

Answer 1

Ответ:

$9) \: 1 \frac{4}{7} \times 2 \frac{6}{11} = \frac{11}{7} \times \frac{28}{11} = 4$

$10) \: 1 \frac{1}{5} \times 2 \frac{11}{12} = \frac{6}{5} \times \frac{35}{12} = \frac{7}{2} = 3.5$