Răspunsuri

2014-10-30T15:10:48+02:00
a+b+c=80
M_{aritmetica}=(a+b):2=12a+b=2*12a+b=24a=24-b
M_{aritmetica} = (b+c):2=36b+c=2*36b+c=72
c=72-b
a+b+c=8024-b+b+72-b=8096-b=8096-80=bb=16
a=24-ba=24-16a=8
c=72-bc=72-16c=56

Verificare
a+b+c=16+8+56=80