Question

-3/21×(-2/13):7/37 помогите ​

Answer 1

Ответ:

$1) - \frac{3}{21} \times ( - \frac{2}{13} ) = \frac{3 \times 2}{21 \times 13} = \frac{1 \times 2}{7 \times 13} = \frac{2}{91} \\ \\ 2) \frac{2}{91} \div \frac{7}{31} = \frac{2 \times 31}{91 \times 7} = \frac{62}{637}$