9 + 2 =, 11, 12, 13, 14, 2 + 1 =, 2, 3, 6, 15, 1 + 0 =, 1, 3, 5, 7, 9 + 7 =, 11, 13, 16, 17, 1 + 1 =, 2, 5, 6, 10

由

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