3, 4, 6, 7, 5, 1, 3, 5, 4, 7, 2, 1, 3, 5, 7, 2, 0, 7, 6, 5, 1, 7, 2, 6, 3, 1, 4, 3, 2, 4

數4A23 個位數減法

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