8 + 5 = 13, True, False, 12 − 5 = 7, True, False, 9 + 4 = 12, True, False, 13 − 6 = 8, True, False, 7 + 6 = 13, True, False, 14 − 8 = 6, True, False, 6 + 8 = 15, True, False, 15 − 7 = 9, True, False, 5 + 7 = 12, True, False, 11 − 4 = 7, True, False, 9 + 8 = 18, True, False, 16 − 8 = 9, True, False, 8 + 7 = 15, True, False, 13 − 5 = 8, True, False, 4 + 9 = 14, True, False

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