- 3целых 5/21 ÷ 1 целая 22/63 + 1 целая3/35 ÷ 1 целая 1/56 решити плиз!

1) - 3 5/21 : 1 22/63 = - 68/21 : 85/63 = - 68/21 * 63/85 = - 68/1 * 3/85 = - 204/85 = 2 34/85;2) 1 3/35 : 1 1/56 = 38/35 : 57/56 = 38/35 * 56/57 = 2128/1995 = 1 133/ 1995 = 1 1/15;3) - 2 34/85 + 1 1/15 = - 2 102/ 255 + 1 17/255 = - 1 85/255 = - 1 17/51 = - 1 1/3.Ответ: - 1 1/3.