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huan ge jiao du qu si kao
Author(s): 
Pages: 20-22
Year: Issue:  11
Journal: School Journal of Mathematics

Keyword:  啤酒解决实际问题解决问题列方程数学模型思考问题角度酒瓶视角生活中;
Abstract: <正>方程是解决实际问题最有效的数学模型之一,生活中的很多问题都可以用方程加以解决,如何从实际问题中抽象出方程关系,是解决问题的关键;巧妙的方法、独到的视角会使复杂的问题变得简单.有一道智力题:啤酒2元钱1瓶,3个空酒瓶可以换1瓶啤酒,某人有24元钱,用于买啤酒,问他最多能喝到多少瓶啤酒.
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