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初一的同学初次接触几何,可能在学习时会感到有些困难.下面介绍一些学习几何的方法要诀,供同学们参考. 一、要学会读书有些同学往往把数学课本当做习题集,认为不需要认真阅读.其实这种认识是错误的.殊不知,我们的数学课本是个金娃娃,一定要紧紧抱住不放.严谨科学的数学名词、概念、定理,只有认真阅读才能体会透彻.对课本上的黑体字一足要咬文嚼字.比如“经过两点有一条直线,并且只有一条直线”。如何理解“有”与“只有”呢?“有”说明了存在性,可以画一条直线;“只有”说明了惟一性,这样的直线是惟一的.
The first time the students contact Geometry for the first time, they may feel some difficulties in learning. Here are some tips for learning geometry, for students to refer to. First, to learn to read Some students often use math textbooks as a problem set, that does not require serious Reading. In fact, this kind of understanding is wrong. As everyone knows, our mathematics textbook is a golden doll, we must hold it tightly. Rigorous scientific mathematics terms, concepts, theorems, only careful reading can understand thoroughly. On the textbook black body The word is full of words. For example, “A straight line passes through two points and there is only one straight line.” How to understand “have” and “only”? “Yes” shows the existence, you can draw a straight line; “only” explains the uniqueness, such a straight line is unique.