Răspuns :
a+b+c=944
a+b=749=>c=944-749=195
b+c=521=>a=944-521=423
b=944-(195+423)=944-618=326
a+b=749=>c=944-749=195
b+c=521=>a=944-521=423
b=944-(195+423)=944-618=326