👤

{[1560-15x(67+11x3)]x6-[177+21:(49-6x7)]}

Răspuns :

={[1560-15x(67+33)]x6-[177+21:(49-42)]}=
=[(1560-15x100)x6-(177+21:7)]=
=[(1560-1500)x6-(177+3)]=
=(60x6-180)=
=360-180=
=180