Correct: 4 + 3 = 7, 2 + 1 = 3, 2 + 2 = 4, 3 + 2 = 5, 4 + 4 = 8, 1 + 1 = 2, 3 + 3 = 6, 5 + 4 = 9, 5 + 5 = 10, Incorrect: 1 + 1 = 3, 2 + 3 = 6, 3 + 5 = 7, 5 + 2 = 9, 3 + 1 = 6, 3 + 1 = 5, 3 + 4 + 9,

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