Question

Обчислити:
1)-8 2/5•2 1/7
2)(-23,5):(-0,05)

Answer 1

Ответ:

$1)- 8 \frac{2}{5} \times 2 \frac{1}{7} \\ - \frac{42}{5} \times 2 \times \frac{1}{7} \\ - \frac{6}{5} \times 2 = - \frac{12}{5} \\ 2)( - 23.5) \div ( - 0.05) = 23.5 \div 0.05 = 470$