Question

4. Виконати дiï: (2 4/15- 1 5/12): 3 2/5+6 4/9:2
Срочно нужно даю 60 балов​

Answer 1

Ответ:

3 17/36

Пошаговое объяснение:

1) 2 4/15 - 1 5/12 = 2 16/60 - 1 25/60 = 1 76/60 - 1 25/60 = 51/60 = 17/20

2) 17/20 : 3 2/5 = 17/20 : 17/5 = 17/20 * 5/17 = 1/4 * 1/1 = 1/4

3) 6 4/9 : 2 = 58/9 * 1/2 = 29/9 * 1/1 = 29/9 = 3 2/9

4) 1/4 + 3 2/9 = 9/36 + 3 8/36 = 3 17/36