12 + 15 = ?, 29, 27, 31, 25, 38 + 12 = ?, 52, 48, 54, 50, 17 + 24 = ?, 41, 39, 43, 45, 28 + 30 = ?, 56, 60, 58, 62, 45 + 11 = ?, 54, 56, 58, 60, 16 + 19 = ?, 39, 37, 35, 33, 33 + 22 = ?, 55, 57, 59, 53, 9 + 27 = ?, 34, 40, 38, 36, 40 + 18 = ?, 62, 60, 56, 58, 23 + 14 = ?, 37, 41, 35, 39

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