Răspuns:
Explicație pas cu pas:
(2/3)² : 2/9 =
4/9 *9/2=
4/2=
2
(³⁾2- 4/3)^2 : 2/9 =
(6/3-4/3)²:2/9=
(2/3)²:2/9=
4/9:2/9=
4/9·9/2=
4/2=2