Question

Помогите решить) Очень надо!

Answer 1

$5 + frac{1}{9} - 7 + frac{1}{3} = - 2 + frac{1 + 3}{9} = \ = - 1 frac{5}{9}$
$3 - 10 + frac{1}{7} - frac{2}{14} = - 7 + frac{1}{7} - frac{1}{7} = \ = - 7$
$frac{5}{8} - 4 - frac{7}{24} + 9 = 5 + frac{15 - 7}{24} = \ = 5 + frac{8}{24} = 5 frac{1}{3}$
$- frac{4}{15} - frac{3}{5} - 1 + 8 = - frac{4 + 9}{15} + 7 = \ = - frac{5}{15} + 7 = - frac{1}{3} + 7 = 6 frac{2}{3}$