Răspuns :
a+b+c=903 ;a+b=684 => c=903-684=219
a+b+c=903 ;b+c=598 => a=903-598=305
a+b=684 ;a=305 =>b=684-305=379
903-684=219(c)
598-219=379(b)
684-379=305(a)
SPER CA TE-AM AJUTAT!!!
598-219=379(b)
684-379=305(a)
SPER CA TE-AM AJUTAT!!!