6 целых 6/11:(1 целая:3 целых 2/3)- 4 целых 2/3
6 6/11 : (1 : 3 2/3 ) - 4 2/3 = 72/11 : (1 : 11/3) - 4 2/3 = 72/11 : 3/11 - 14/3 = =72/11 х 11/3 -14/3 = 24 - 14/3 = 19 1/3