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课本习题是学生学习解题的基础,不少试题的探索往往以此为基础进行拓展延伸.本文以一道课本习题为例引导学生体验如何对习题进行延伸与拓展.
Textbook exercises are the basis for students to learn and solve problems, and many questions are often explored on the basis of them.This paper takes a textbook exercise as an example to guide students to experience how to extend and expand the exercises.