Question

1 7/9 + (6 3/4 : 3,125 - 2,5 : 3 1/8) × 7,5 - 2
8/15 =
Пжпжпжпж даю 20 б

Answer 1

$frac{17}{9} + (6 frac{3}{4} div 3.125 - 2.5 div 3 frac{1}{8} ) times 7.5 - 2 8/15 = \ frac{17}{9} + ( frac{27}{4} div 3.125 - 2.5 div frac{25}{8} ) times 7.5 - 38/15 = \ frac{17}{9} + (2.16 - 0.8) times 7.5 - 38/15= \ frac{17}{9} + 1.36 times 7.5 - 38/15= \ frac{17}{9} + 10.2 - 38/15= 9.5$

Answer 2

я исправила