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Calcrostic© of the Day
昨天的解法
131 - 129 = 2 - + - + × 2 + 127 = 129 = = = = = 129 × 2 = 258
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131 - 129 = 2 - + - + × 2 + 127 = 129 = = = = = 129 × 2 = 258
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