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(2- 4 supra 3)²: 2 supra 9 =?

Răspuns :

IulianMM
(2-4/3)²:2/9=
=[(6-4)/3]³:2/9=
=(2/3)²:2/9=
=4/9×9/2=2
(2- 4/3)²: 2/9 =
=(6/3-4/3)²:2/9
=(2/3)²·9/2
=4/9·9/2
=4/2
=2