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1 教学内容分析1.1 内容结构及要点(1)内容结构.人教版《数学》八年级(下)第19章第一节的主要内容是平行四边形的定义、性质和平行四边形的判定方法及三角形中位线定理.其知识结构如下:
1 Analysis of Teaching Contents 1.1 Content Structure and Points (1) Content Structure. The main contents of the first section of the 19th chapter of the eighth edition of Mathematics for Pedagogy is the definition and nature of parallelograms and the determination method of parallelograms and triangles. The median line theorem. Its knowledge structure is as follows: