Question

Вычислите:(2/3-0,25)*(16,6-4 3/5)

Answer 1

$displaystyle ( frac{2}{3}-0,25)(16,6-4 frac{3}{5})=( frac{2}{3}- frac{1}{4})(16 frac{6}{10}-4 frac{3}{5})=$

$displaystyle =( frac{8}{12}- frac{3}{12})(16-4+ frac{6}{10}- frac{6}{10})= frac{5}{12}*12=5$