三种实用的作图技巧４１７７０１湖南双峰二中胡如松在立体几何教学中，培养学生作图、识图能力是提高学生解题能力的有效途径．而在众多的数学参委书上介绍的一些方法总有不够实用之感．本人在多年的教学实践申，觉得如下三种作图技巧学生较为实惠，宜在教学过程中加强．... Three practical drawing skills 417701 Hunan Shuangfeng Erzhong Hu Rusong In the three-dimensional geometry teaching, the ability to develop students’ drawing and drawing ability is an effective way to improve students’ ability to solve problems. And some of the methods introduced in many mathematics committee books are always not practical enough. In my many years of teaching practice, I feel that the following three graphics skills students are more affordable and should be strengthened in the teaching process. ...