Question

помогите пжжжжжж дам 10 балов 1 пример ​

Answer 1

Ответ:

$\frac{7}{20} \times ( - \frac{3}{17} ) \times ( - 8 \frac{2}{21} ) = \frac{7}{20} \times ( - \frac{3}{17} ) \times ( - \frac{170}{21} ) = \frac{7}{20} \times \frac{3}{17} \times \frac{170}{21 } = \frac{1}{20} \times 3 \times \frac{10}{3} = \frac{1}{20} \times 10 = \frac{1}{2}$