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Calcrostic© of the Day
昨天的解法
9 + 18 = 27 × × × × × 27 / 9 = 3 = = = = = 243 - 162 = 81
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9 + 18 = 27 × × × × × 27 / 9 = 3 = = = = = 243 - 162 = 81
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