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在教学过程中,笔者发现课本中提供的导数与单调性的概念比较抽象,实用性不强,在与学生的交流和同仁的探讨中有了少许感触,在此与各位分享一些自己的看法。
During the teaching process, I found that the concept of derivative and monotony provided in textbooks is rather abstract and not very practical. I felt a little touched by my discussions with my students and my colleagues. I hereby share my views with you.