Question

помните!!! молю 0,2×7/0,42​

Answer 1

Ответ: 1,4/0.42=10/3....

Answer 2

Ответ:

$\frac{0.2 \times 7}{0.42} = \frac{1}{5} \times 7 \div \frac{21}{50} \\ \frac{1}{5} \times 7 \times \frac{50}{21} = \frac{10}{3} = 3 \frac{1}{3}$