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新课程对学生的基本要求是不仅要掌握好数学的基础知识和基本技能,还要求注重学生能力的发展,以便进一步的培养学生品质与学生的思维能力.在初中数学学习中,经常遇到图形问题,会见到这样的基本图形:线段AB、CD相交于点O,连结AD、CB,我们把形如图1的图形称之为“8字形”.关于这样的问题下面进行研究.一、在教学过程中,进行总结与归纳并加以运用通过对教材完整的分析和研究,会发现问题会有联系与相
The basic requirement of the new curriculum for students is not only to master the basic knowledge and basic skills of mathematics, but also to focus on the development of student abilities so as to further train students’ quality and students’ thinking ability. In junior middle school mathematics learning, they often encounter graphics. Question, we will see this basic graph: Line segments AB, CD intersect at point O, link AD, CB, we call the graph of Figure 1 as “8 font”. The following research is conducted on this problem. In the process of teaching, summarizing and summarizing and applying it through the analysis and study of the complete teaching materials, you will find that the problems will be related to and