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一、掌握结构,显示过程 在整个应用题系统中,分数应用题有它自身的结构,掌握了分数应用题的结构,就能更好地弄清数量之间的关系,明确解题的思路,选择正确的解题方法。 分数应用题的基本结构是:题中有表示两种数量之间关系的分率,已知分率和其中的一种数量,求另一种数量;或已知两种数量,求分率。为了让学生掌握这一结构,可以进行以下一些训练。
First, the mastery of the structure, the display process In the entire application system, the application of the question has its own structure, grasping the structure of the score application questions, we can better understand the relationship between the number of clear problem-solving ideas, Choose the correct solution. The basic structure of a fractional application question is: The question has a fraction representing the relationship between two quantities, a known fraction and one of them, another quantity, or two quantities known, the fractional fraction. In order for students to master this structure, you can do some training as follows.