数学题：公司计划投入36.4万元去购买一些仪器，实际比计划增加25%。公司实际投入多少万元？

数学题解答：“实际比计划增加25%”这句话的完整理解应是“实际比计划增加了计划的25%”。所以可以像下面这样列式解答：

36.4　+　36.4　×　25%＝36.4+9.1＝45.5（万元）

还可以这样列式解答：36.4　×　（1+25%）＝45.5（万元）

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