Ответ:
-4/7 = -8/14
| -8/14 + 3/14 | - 5/21 =
| -5/14 | - 5/21 =
-5/14 = -15/42
5/21 = 10/42
15/42 - 10/42 = 5/42
Пошаговое объяснение:
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Ответ:
-4/7 = -8/14
| -8/14 + 3/14 | - 5/21 =
| -5/14 | - 5/21 =
-5/14 = -15/42
5/21 = 10/42
15/42 - 10/42 = 5/42
Пошаговое объяснение: