例题教学是初中数学教学最为重要的组成部分,和帮助学生学以致用的重要环节。提高其有效性对于整个数学教学有着重要意义。对此,本文从精选例题和精讲例题两个角度进行了有益的探讨。 Example teaching is the most important part of junior high school mathematics teaching, and an important part to help students apply what they have learned. To improve its effectiveness is of great significance to the whole mathematics teaching. In this regard, this article from the selection of examples and refined examples of two angles for a useful discussion.