数学中有许多问题,形式相似,但实质不同.有时却因一个字或符号的差别,就很可能导致所需知识和解题方法的不同.同学们在解决此类问题时,极易产生思维误区,造成解题失误.为提高学生的辨异思维能力,现就导数中的一些典型问题捉对配组,予以解析. There are many problems in mathematics. The forms are similar, but they are different in nature. Sometimes because of differences in one word or symbol, it is very likely to lead to differences in the required knowledge and problem-solving methods. When students solve such problems, they are likely to produce thinking. Misunderstandings, resulting in mistakes in solving problems. In order to improve students’ ability to distinguish different thinking, now on the derivative of some typical problems to catch the match group, to be analyzed.