波利亚说过 ,没有一道题目是可以解决得十全十美的 ,总剩下些工作要做 ,经过充分的探讨总结 ,总会有点滴的发现 ,总能改进这个解答 ,而且在任何情况下 ,我们都能提高自己对这个解答的理解水平 .解题教学中在对典型例题进行分析时 ,如果能重视对解题过程的分析与改进 ,往往可以 Polya said that there is no one topic that can be solved perfectly. There is always work to be done. After a thorough discussion and conclusion, the discovery will always be a bit tricky, and this solution will always improve. And in any case, we Can improve their own understanding of this solution. Problem solving teaching in the analysis of typical examples, if you can focus on the analysis and improvement of the problem-solving process, you can often