Пошаговое объяснение:
1 7/36:(3/8+5/12) = 1 29/57
1) 3/8 + 5/12 = 9/24 + 10/24 = 19/24
2) 1 7/36 : 19/24 = 43/36 * 24/19 = 86/57 = 1 29/57
Пошаговое объяснение:
1 7/36:(3/8+5/12) = 1 29/57
1) 3/8 + 5/12 = 9/24 + 10/24 = 19/24
2) 1 7/36 : 19/24 = 43/36 * 24/19 = 86/57 = 1 29/57