Correct: 18+17 = 35, 15 + 25 = 40, 14 + 18 = 32, 38 - 11 = 27, 29 - 16 = 45, Incorrect: 18 + 17 = 45, 15 + 25 = 45, 14 + 18 = 34, 38 - 11 = 17, 29 - 16 = 46,

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