罗增儒先生在《数学解题学引论》中,指出分析典型例题的解题过程是学会解题的有效途径,并提出了学会解题的四步骤:简单模仿-变式练习-自发顿悟-自觉分析,又特别强调当前应加强自觉分析的教学与研究.受此启示,笔者努力将自觉分析贯穿到解题教学中去.下面的一个解题教学案例就是这样的一 In “Introduction to Mathematical Problem Solving,” Mr. Luo Zengru pointed out that analyzing the problem-solving process of typical examples is an effective way to learn to solve the problem, and put forward four steps to learn to solve problems: simple imitation - variant exercises - spontaneous epiphany - self-consciousness The analysis, in particular, emphasizes the current need to strengthen the conscious analysis of teaching and research. From this enlightenment, the author strives to permeate the conscious analysis throughout the problem-solving teaching. The following example of a problem-solving teaching is such a