Question

Упражнение 146, поошуууу, срочноооооо, умоляю

Answer 1

$\dfrac{5}{8} + \dfrac{7}{8} - \dfrac{1}{8} = \dfrac{5+7-1}{8} = \dfrac{11}{8} = 1\dfrac{3}{8}$

$\dfrac{5}{9} - \left(\dfrac{4}{9} - \dfrac{1}{9}\right) = \dfrac{5}{9} - \dfrac{4}{9} + \dfrac{1}{9} = \dfrac{5-4+1}{9} = \dfrac{2}{9}$