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一题多解的目的,在于开拓学生思路,进一步激发学生学习数学的积极性,提高分析问题和解决问题的能力。本文以82年湖北省初中数学竞宽第一试试题第六题为例,作如下多种证法。例题在等腰三角ABC中的一腰AB上任取一点D
The purpose of multiple solutions is to open up student ideas, further stimulate students’ enthusiasm for learning math, and improve their ability to analyze problems and solve problems. This paper uses the sixth question of the first mathematics contest in Hubei junior high school in 82 years as an example to make the following kinds of evidence. An example is taken from a waist AB in the isosceles triangle ABC.