5 + 5 =, 10, 12 + 12 =, 24, 10 + 10 =, 20, 2 + 2 =, 4, 1 + 1 =, 2, 3 + 3 =, 6, 20 + 20 =, 40, 6 + 6 =, 12, 15 + 15 =, 30, 7 + 7 =, 14, 24 + 24 =, 48

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