решите уравнение : 2 1/3 : ( x - 1 1/6) = 1 5/9

2 1/3:(x-11/6)=15/9
7/3:(x-11/6)=5/3
14/6:(x-11/6)=10/6
x-11/6=(14/6):(10/6)
x-11/6=14/10
x=(14/10)+(11/6) = (42/30)+(55/30)=97/30=3 7/30