600,9-(4271,8:8,06+53,9)-0,17+103,17=
600.9-(530+53.9)-0.17+103.17=600.9-583.9-0.17+103.17=120
600.9-(4271.8/8.06+53.9)-0.17+103.17=120.2
4271.8/8.06=530
530+53.7=583.7
600.9-583.7=17.2
17.2-0.17=17.02
17.02+103.17=120.2