Ответ:
Пошаговое объяснение:
1) 16/63 + 12/63 = 28/63 = 4/9
2) 53/85 - 19/85 = 34/85 = 2/5
3) 8. 34/81 + 2. 38/81 =
10. 72/81 = 10. 8/9
4) 3. 49/56 - 3. 17/56 =
32/56 = 4/7
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Ответ:
Пошаговое объяснение:
1) 16/63 + 12/63 = 28/63 = 4/9
2) 53/85 - 19/85 = 34/85 = 2/5
3) 8. 34/81 + 2. 38/81 =
10. 72/81 = 10. 8/9
4) 3. 49/56 - 3. 17/56 =
32/56 = 4/7