(1 1/35÷4/5-1 8/35)*3 1/3
(1 1/35÷4/5-1 8/35)*3 1/3 =(36/35:4/5-1 8/35)*3 1/3=(7/9-1 8/35)*31/3= =1 173/315*3 1/3=32/63