Question

Найдите значения выражения 1,6/4-2/3

Answer 1

$\displaystyle \frac{1,6}{4}- \frac{2}{3}= \frac{0,4}{1}- \frac{2}{3}= \frac{4}{10}- \frac{2}{3}= \frac{2}{5}- \frac{2}{3}= \frac{2*3-2*5}{15}= \frac{-4}{15}$