Question

(5 целых 1/2+ 2 целых 3/10)*5-8/11÷ 2 целых 7/55=[4]

Answer 1

Ответ:

38. 77/117

Пошаговое объяснение:

1) 5. 1/2 + 2. 3/10 = 5. 5/10 + 2. 3/10 = 7. 8/10 = 7. 4/5

2) 7. 4/5 * 5 = 39/5 * 5 = 39/1 * 1 = 39/1 = 39

3) 8/11 : 2. 7/55 = 8/11 : 117/55 =8/11 * 55/117 = 8/1 * 5/117 = 40/117

4) 39 - 40/117 = 38. 117/117 - 40/117 = 38. 77/117