Question

решите плиз даю 20 балов

Answer 1

$5 \div 15 = \frac{5}{15} = \frac{1}{3} \\ 2.5 \div 0.5 = 5 \\ \frac{0.2}{5} = \frac{2}{50} = \frac{1}{25} \\ \frac{3.4}{17} = \frac{34}{170} = \frac{1}{5}$