2*{4+3*{50-3*(77-13*5)}+120

Răspuns :

2*{4+3*{50-3*(77-13*5)}+120=
=2*{4+3*{50-3*(77-65)}+120
=2*[4+3*(50-3*12)]+120
=2*[4+3*(50-36)]+120
=2*(4+3*24)+120
=2*(4+72)+120
=2*76+120
=152+120
=272