Correct, 5 + 3 = 8, 8 + 2 = 10, 15 + 10 = 25, 31 + 1 = 32, 16 - 1 = 15, 7 + 3 = 10, 6 + 4 = 10, 35 + 10 = 45, 78 + 1 = 79, 53 - 1 = 52, Incorrect, 5 + 3 = 9, 8 + 4 = 10, 15 + 10 = 26, 31 + 1 = 41, 16 - 1 = 17, 7 + 2 = 10, 6 + 5 = 10, 35 + 10 = 46, 78 + 1 = 89, 53 - 1 = 54

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