81:9+[60×4+3×(21:7+8)] va rog ​

Răspuns :

Răspuns:

Salutare!

81:9+[60×4+3×(21:7+8)]=

81:9+[60×4+3×(3+8)]=

81:9+(60×4+3×11)=

81:9+(240+33)=

81:9+273=

9+273=

282

#Succes!