(3 1/3-2 7/9)2 •(1 1/5)2
(3 1/3-2 7/9)2*(1 1/5)2= 4*(10/9 - 25/9)(11/5)=4*(-15/9)(11/5)= сокращаем = 4*(-1/3)*11= 44*(-1/3)=-44/3=-14 2/3