Question

-2 5/14+(-3 5/7)+2 11/21

Answer 1

Ответ:

Пошаговое объяснение:

-2 5/14+(-3 5/7)+2 11/21 = - 3 23/42

1) - 2 5/14 - 3 5/7 = - 33/14 - 26/7 = -33/14 - 52/14= -85/14

2) - 85/14 + 2 11/21 = -85/14 + 53/21 = - 255/42 + 106/42 = -149/42 = - 3 23/42