关于一道课本习题引起的思考

Reflections Aroused from an Exercise in the Textbook

本文将一道课本习题作为问题背景,深入思考,提出一个更深层次的问题。并且利用背景问题中的结论,探究解决了所提出的问题。从而反思在教学中,数学教师应该勤于思考,不断巩固加深自己的专业知识,始终保持一种旺盛的斗志和热衷于数学教学的热情。

With an exercise in the textbook as the background,this paper proposes an issue of further level.By utilizing the conclusion in the exercise,the writer inquires into it further.The writer holds that mathematics teacher should constantly enhance their professional knowledge and keep an enthusiastic attitude in teaching.