Verified answer

Ответ:

34/9

Пошаговое объяснение:

(5 1/3 ×9(1) -(4) (2 3/4 × 5 1/3(2) -(5) (19 1/2 × 1 5/9(3)=?
5 1/3=11/4
9=9/1
2 3/4=11/4
19 1/2=38/2
1 5/9=14/9
(1)16/3*9/1=48
(2)11/4*16/3=44/3
(3)38/2*14/9=266/9
(4)48/1-44/3=144/3-44/3=100/3
(5)100/3-266/9=300/9-266/9=34/9