Răspuns:
{4²-[3²-(12²:6-2³•2):2³] :2²} :2=
={4²-[3²-(144:6-8•2):8]:4}:2=
={4²-[3²-(144:6-16):8]:4}:2=
={4²-[3²-(18-16):8]:4}:2=
={4²-[3²-2:8:8]:4}:2=
={4²-[9-2:1]:4}:2=
={4²-[9-2]:4}:2=
=4²-7:4:2=
=16-7:2=
=16-3=
=13
Nu sunt sigura dar Sper ca te-am ajutat