2o-(3×5-2+3)÷(26-9×2)=

Răspuns :

=20-(15-2+3):(26-18)=
20-16:8=
20-2=
18
20 - ( 3 x 5 - 2 + 3 ) : ( 26 - 9 x 2 ) =
20 - ( 15 - 2 + 3 ) : ( 26 - 18 ) =
20 - ( 13 + 3 ) : 8 =
20 - 16 : 8 =
20 - 2 = 18
==> Succes!