2.5×6.3+0.37×25(递等式简便计算)
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![2.5×6.3+0.37×25(递等式简便计算)](/uploads/image/z/243769-49-9.jpg?t=2.5%C3%976.3%2B0.37%C3%9725%EF%BC%88%E9%80%92%E7%AD%89%E5%BC%8F%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%EF%BC%89)
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2.5×6.3+0.37×25(递等式简便计算)
2.5×6.3+0.37×25(递等式简便计算)
2.5×6.3+0.37×25(递等式简便计算)