Verified answer

Ответ:

-4

Пошаговое объяснение:

2,2 + (-4 1/3) + (-1 13/15) =

= 2 6/30 - 4 10/30 - 1 26/30 =

= (2 - 4 - 1) + (6/30 - 10/30 - 26/30) =

= -3 30/30 = -4