Răspunsuri

2014-03-15T13:35:32+02:00
A+b+c=785
a+b=479

479+c=785
c=785-479
c=306

b+c=429
b+306=429
b=429-306
b=123

a+b=479
a+123=479
a=479-123
a=356

Verificare
356+123+306=785