Question

O valor das expressões (2/3+1)2:(2-8/9

Answer 1

= (2/3+1)^2:(2-8/9)

= (2/3 + 3/3)^2 : (18/9 - 8/9)

= (5/3)^2 : 10/9

= 25/9 . 9/10

= 25/10 . 9/9

= 25/10 (:5)/(:5)

= 5/2