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激发数学兴趣一实例□张卜海（湖北松滋市万家中学４３４２１４）相似形是继全等形之后研究平面图形位置、形状及数量关系的又一重要的思想方法，是全等形有关理论方法的进一步拓展．笔者在教学相似形一章时是利用世界著名的埃及金字塔的测高问题来导入的．开场白是讲如下...
Inspire mathematics interest: An example □ Zhang Buhai (Hubei Songzi City Wanjia Middle School 434214) Similarity is another important thought method for studying the position, shape, and quantity relations of plane graphics after full contouring. Further expansion. The author used the height measurement problem of the world-famous Egyptian Pyramid when teaching the similarity chapter. The opening remarks are as follows...