Question

вычислите. 7/20-5/20: 1.-2/5: 1/17+2.2/3: 5.1/8-3.2/3 Помогите срочно пжл​

Answer 1

Ответ:

Пошаговое объяснение:

а) 7/20 - 5/20 = 2/20 = 1/10

б) 1 1/7 + 2 2/3 = 8/7 + 8/3 = 24/21 + 56/21 = 80/21 = 3 17/21

в) 1 - 2/5 = 1/1 - 2/5 = 5/5 - 2/5 = 3/5

г) 5 1/8 - 3 2/3 = 41/8 - 11/3 = 123/24 - 88/24 = 35/24 = 1 11/24