化学极值法是一种非常重要的解题方法,高考中经常出现需要用极值法或极值法思想去解答的题目,但这类题的得分率往往较低。我认为导致得分率低的主要原因是极值法的教学滞后,难以突破。一方面,现行的教材中没有相关的极值法教学内容,教师、学生无章可循;另一方面,即使教师进行极值法教学,由于极值法的数学原理较为抽象,学生难以理解, Chemical extremum method is a very important problem-solving method, the college entrance examination often need to use extremum method or extremum method to solve the problem, but these questions tend to score low. I think the main reason leading to a low scoring rate is the teaching lag in extreme value method, which is hard to break through. On the one hand, there is no related extremism law teaching content in current textbooks, and teachers and students have no rules to follow. On the other hand, even if teachers teach extreme value method, because the mathematical principle of extremum law is more abstract and students find it hard to understand,