Răspuns:
a+423=675
a=424-675
a=?
a+517=769
a=769-517
a+526=689
a=689-526
726-a=606
a=726-606
569-a=124
a=569-124
878-a=305
a=878-30
Sper ca te-am ajutat!
As dori coroana!
