True: 6 + 7 = 13, 5 + 5 = 10, 9 + 4 =13, 15 + 3 = 18, 11 + 5 = 16, 10 + 10 = 20, 16 + 4 =20, 12 + 5 = 17, 10 + 9 = 19, 13 + 5 = 18, False: 3 + 4 = 8, 9 + 3 = 11, 8 + 2 = 9, 10 + 3 = 31, 12 + 6 = 19, 13 + 9 = 20, 15 + 3 = 8, 11 + 7 = 81, 4 + 12 = 15, 0 + 0 = 1,

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