Răspunsuri

Cel mai inteligent răspuns!
2014-11-18T17:39:36+02:00
A+b=30
b+c=40
a+c=50
a+b+b+c+a+c=30+40+50
2(a+b+c)=120
a+b+c=60
a+b=30 =>c=30
b+c=40 =>a=20
a+c=50 =>b=10
1 5 1