Выполните действия (99 целых 1/9 : 44,6 - 4 целых 7/12 * 4/11 + 13 целых 11/18) : 25,5

1) 99 1/9 : 44,6 = 99 1/9 : 44 6/10 = 892/9 : 446/10 = 892/9 * 10/446 = 2/9 * 10/1 = 20/9 = 2 2/9;2) 4 7/12 * 4/11 = 55/12 * 4/11 = 5/3 * 1/1 = 5/3 = 1 2/3;3) 2 2/9 - 1 2/3 = 2 2/9 - 1 6/9 = 1 11/9 - 1 6/9 = 5/9;4) 5/9 + 13 11/18 = 10/18 + 13 11/18 = 13 21/18 = 14 3/18 = 14 1/6;5) 14 1/6 : 25,5 = 14 1/6 : 25 5/10 = 85/6 : 255/10 = 85/6 * 10/255 = 17/3 * 5/51 = 1/3 * 5/3 = 5/9.Ответ: 5/9.