Răspuns :
a+b+c=601
a+b=559 =>c=601-559=42 lei
b=10c =>b=420 lei
a=559-420=139 lei
a+b=559 =>c=601-559=42 lei
b=10c =>b=420 lei
a=559-420=139 lei
a+b+c=601
a+b=559
c=601-559
c=42
b=10x42
b=420
a=559-420
a=139
V:139+420+42=601