Efectueaza:
13+72:8+[13+(65-8x8)]=


Răspuns :

paranteza rontuda 8 ori 8 =64 65-64 =1             1+13= 14
   

13+9+14 =36 :)
13+72:8+[13+(65-8x8)]=13+9+[13+(65-64)]=23+(13+1)=23+14=37