Выполните действия: 4 3/4-(4,25-3 1/2)
1) 4,25-3 1/2 = 4 25/100 - 3 1/2 = 17/4 - 7/2 = (17 × 1 - 7 × 2)/4 = 17/4 - 14/4 = 3/4 2)4 3/4 - 3/4 = 19/4 - 3/4 = (19 - 3)/4 = 16/4 = 4 ответ: 4