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Calcrostic© of the Day
昨天的解法
75 - 50 = 25 × × × × × 3 × 9 = 27 = = = = = 225 + 450 = 675
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75 - 50 = 25 × × × × × 3 × 9 = 27 = = = = = 225 + 450 = 675
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