Question

171-(2/9+5/9)
Пожалуйста помогите.

Answer 1

$\frac{2}{9} + \frac{5}{9} = \frac{2 + 5}{9} = \frac{7}{9} \\ \\ \ 171 - \frac{7}{9} = \frac{1539 - 7}{9} = \frac{1532}{9} = 170.2$