Răspuns:
\---|--\ nepoti }
\---|--\---|--\---|--\---|--\---|--\bunic } 72
72 : 6 = 12 suma vârstelor nepotilor
12 × 5 = 60 varsta bunic
Numere impare consecutive:
Nepot1 |--| }
Nepot2 |--|+2 } 12
12 - 2 = 10
10 : 2 = 5 varsta nepot1
5 + 2 = 7 varsta nepot 2