Question

Найдите значение выражения 14 1/6 -(8 9/10-b)при b=5 2/3

Answer 1

$14 frac{1}{6} - (8 frac{9}{10} - 5 frac{2}{3} ) = \ \ = 14 frac{1}{6} - (8 frac{27}{30} - 5 frac{20}{30} ) = \ \ = 14 frac{1}{6} - 3 frac{7}{30} = \ \ = 14 frac{5}{30} - 3 frac{7}{30} = \ \ = 13 frac{35}{30} - 3 frac{7}{30} = \ \ = 10 frac{28}{30} = 10 frac{14}{15}$