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

2 1/3:(x-11/6)=15/97/3:(x-11/6)=5/314/6:(x-11/6)=10/6x-11/6=(14/6):(10/6)x-11/6=14/10x=(14/10)+(11/6) = (42/30)+(55/30)=97/30=3 7/30