Пошаговое объяснение:
1) = 30/40 и 19/40
2) = 35/42 и 31/42
3) = 21/24 и 16/24
4) = 30/35 и 28/35
5) = 27/45 и 20/45
6) = 48/66 и 55/66
Пошаговое объяснение:
1) = 30/40 и 19/40
2) = 35/42 и 31/42
3) = 21/24 и 16/24
4) = 30/35 и 28/35
5) = 27/45 и 20/45
6) = 48/66 и 55/66