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函数的概念学生从初二就开始学习了,应该不太陌生,但是领悟的程度各个不同。有的同学估计是一开始就没有注意领会这个概念的内涵和外延,所以自始至终他们就是模棱两可的,甚至有的领会不深的还认为自己懂了,这就是最可怕的,他没有理解清楚但是他自己又不知道甚至还认为自己懂,所以就需要老师在教学的时候特别注意引导学生学好这个概念。
The concept of function students from the first two days to learn, should not be familiar, but the level of understanding is different. Some students estimate that they did not pay attention to understanding the connotation and denotation of this concept from the very beginning. Therefore, they are ambiguous from beginning to end. Even some people who do not understand deeply understand that they understand. This is the most horrible thing. However, he did not understand clearly. However, Do not know themselves even think they understand, so you need to pay special attention to teaching the teacher to guide students learn this concept.