摘要
文章是为了配合高中选修系列专题4《几何证明选讲》的学习,从教学实践出发,按综合几何的类别总结出引辅助线的"四作用"及"四原则".
In accordance with one of the elective series Selected Lectures on Geometrical Proof in senior middle schools, this paper sums up the ＂four functions＂ and ＂four principles＂ of drawing an auxiliary line from teaching practice based on the classifications of comprehensive geometry.
出处
《新疆教育学院学报》
2009年第2期50-53,共4页
Journal of Xinjiang Education Institute
关键词
辅助线
作用
原则
auxiliary line
function
principle
