Решите пример
11/30+3/25:(2-1 23/35) -1 1/3​

Пошаговое объяснение:

11/30+3/25:(2-1 23/35) - 1 1/3= - 1 19/60

1) 2 - 1 23/35 = 1 35/35 - 1 23/35 = 12/35

2) 3/25: 12/35 = 3/25: 35/12 = 7/20

3) 11/30+7/20 = 22/60 + 21/60 = 1/60

4) 1/60 - 1 1/3= 1/60 - 4/3 = 1/60 - 80/60 = =1/60+ (-80/60) = - 79/60 = - 1 19/60