论文部分内容阅读
求值题是中学数学中的一大题型,它对于培养学生的简捷思路,提高运算能力有一定的帮助。解求值题需要一定的技巧,这是学生感到困难的原因之一。在复习中,为了培养学生掌握住这种题型,我们对解求值题的方法和技巧进行了一些探索,归纳整理出在中学范围内常用的八种方法。很不成熟,敬请同志们指正。 一、观察法 用这种方法求值,主要是通过观察,找出题
The evaluation question is a big problem in middle school mathematics. It has a certain degree of help in cultivating the students’ simple ideas and improving their computing skills. Solving the problem requires some skill, which is one of the reasons why students feel difficult. During the review, in order to train students to master this type of question, we conducted some explorations on the methods and techniques for solving the questions, and summarized and summarized the eight methods commonly used in secondary schools. Very immature, please comrades correct me. First, the observation method Evaluated by this method, mainly through observation, find out the problem