👤

18+18+35-47+23egal36+35-47+23egal81-27-27+63egal72

Răspuns :

             
[tex]18+18+35-47+23 = \\ = 36 + 35 -47+23 = \\ = 71-47+23= \\ =24+23= \boxed{47}[/tex]