Сравните значения вырожний 1-2/7 и 3/7+1/7 < > =
1. 7/7-2/7=5/7 2. 3/7+1/7=4/7 Ответ: 5/7>4/7
1 - 2/7 = 7/7 - 2/7 = 5/7 3/7 + 1/7 = 4/7 5/7 > 4/7 1 - 2/7 > 3/7 + 1/7