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913-[13+(72:8+19)x33-576:8:3]=

Răspuns :

913-[13+(9+19)x33-24]=
913-(13+28x33-24)=
913-(13+924-24)=
913-913=
0
913-[13+(72:8+19)x33-576:8:3]=
913-(41x33-24)=
913-225
688