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在解有关的数学题时,学生习惯将具体问题归结为某种类型的一般性问题,再利用一般的方法求解。这固然是探求解题思路的一种常用方法,但在许多场合并不是最好的方法,对于同一背景材料,往往可以从不同的思维角度去达到问题解决的目标。在教学中善于从各类型题的个性特征,引导学生根据具体问题的具体属性,不断变换观察与思维角度,寻找解题的最好突破点,显然是发展学生智力、提高解题能力的一种有效教学手段。我们在教学中特别注意常用以下三种方法,收到了较好的效果。
When solving related math problems, students are accustomed to categorizing specific problems as a certain type of general problems and then solving them using common methods. This is of course a common method for solving problem-solving ideas, but it is not the best method in many situations. For the same background material, the problem can be solved from different perspectives. In teaching, she is good at characterizing the various types of questions, guiding students to change the observation and thinking angles according to the specific attributes of specific problems, and finding the best point for solving the problems. This is obviously a kind of development of students’ intelligence and ability to solve problems. Effective teaching methods. We pay special attention to the following three methods commonly used in teaching and received good results.