Ответ:
Пошаговое объяснени
1 : (1/48 + 1/72 + 1/96 + 1/6) = 1 : (6/288 + 4/288 + 3/288 + 48/288) = 1 : 61/288 = 288/61 = 4 44/61часа
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Ответ:
Пошаговое объяснени
1 : (1/48 + 1/72 + 1/96 + 1/6) = 1 : (6/288 + 4/288 + 3/288 + 48/288) = 1 : 61/288 = 288/61 = 4 44/61часа