4целых 2/11 - 1 целых 9/11 = 6 целых 4/23-(3 целых-2 целых 8/23) + 5 целых 16/23 = 100

1)


2) 

4 2/11 - 1 9/11 = 3 13/11 - 1 9/11 = 2 4/11

6 4/23 - (3 - 2 8/23) + 5 16/23 =11 5/23
1) 2 23/23 - 2 8/23 = 15/23
2) 6 4/23 - 15/23 = 5 27/23 - 15/23 = 5 12/23
3) 5 12/23 + 5 16/23 = 10 28/23 = 11 5/23