Metoda figurativa
Alexandra l----------l + 3 nuci
Teodor l----------l } total = 81
Andrei l----------l+ 6 nuci
81 - 3 - 6 = 72 → suma celor 3 parti egale
72 : 3 = 24 nuci are Teodor
24 + 3 = 27 nuci are Alexandra
24 + 6 = 30 nuci are Andrei
Verificare: 27 + 24 + 30 = 81 nuci au in total
