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数学概念的教学,是整个数学教学的一个重要环节;正确理解数学概念,是掌握数学知识的前提。在概念教学中要遵循从具体到抽象的一般认识规律,尽可能了解学生已有的
The teaching of mathematical concepts is an important part of the whole mathematics teaching. Correct understanding of mathematical concepts is a prerequisite for mastery of mathematical knowledge. In the concept of teaching to follow from the specific to the abstract general understanding of the law, as much as possible to understand the students have