Corretto: 7 + 3, 6 + 4, 10 + 0, 9 + 1, 2 + 8, 5 + 5, 3 + 7, 0 + 10, 8 + 2, 1 + 9, Errato: 8 + 1, 4 + 2, 7 + 6, 9 + 0, 5 + 6, 10 + 3, 8 + 5, 3 + 2, 9 + 7, 0 + 0,

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