Correct: 2 + 0 = 2, 2 + 1 =3, 2 + 2 = 4, 2 + 3 = 5, 2 + 4 = 6, 2 + 5 = 7, 2 + 6 = 8, 2 + 7 = 9, 2 + 8 = 10, 2 + 9 = 11, 2 + 10 = 12, 2 + 11 = 13, 2 + 12 = 14, Incorrect: 2 + 5 = 10, 2 + 8 = 12, 2 + 1 = 6, 2 + 3 = 9, 2 + 11 = 4,

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