不少同学在发现解题失误后总是叹息 :“我是懂的 ,就是没有想到 .”就是说 ,虽然他们掌握了相关的知识 ,却由于学习心理上的某些弱点 ,造成思路导向上的偏差 .现在有不少发人深省的新颖试题 ,就是针对这些弱点设计的 .解铃还须系铃人 ,纠正这些失误的关键是 :引导学生反思解题 Many students always sigh after discovering the problem-solving mistake: “I understand it, that is, I did not think of it.” That is to say, although they have mastered the relevant knowledge, they have caused some mental weaknesses in the study, resulting in the idea-oriented Deviation. Now there are many thought-provoking novel questions that are designed for these weaknesses. The solution bell must be tied to the bell. The key to correct these errors is to guide students to reflect on the problem