Răspuns :
Primul : |..........|
Al doilea : |..........| |..........| |..........|
Al treilea : |..........| |..........| |..........| -72
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Total 7* |..........| -72 = 145
7* |..........| = 145 +72
7 * |..........| =217
1 |..........| = 31 nuci
Primul : 31 nuci
Al doilea : 31*3=93 nuci
Al treilea : 93 -72 = 21 nuci
succes !!