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普通高中课程标准实验教科书人教A版的每一章都设计了一幅章头图及描述和一段章引言,一是用数学眼光揭示与本章数学本质内容有关的人文背景、数学应用现象;二是简要介绍本章数学学习内容及本章在数学及各领域的重要地位与作用,如何利用10分钟左右时间来讲授这一部分内容,引导中
The standard high school curriculum standard textbook for experimental teaching A teach chapter A each chapter is designed a chapter caption and description and a chapter introduction, first, with mathematical vision to reveal the humanities background and math application phenomenon related to the mathematical essence of this chapter; Is a brief introduction to this chapter maths learning content and the chapter in mathematics and various fields of importance and role, how to use about 10 minutes to teach this part of the content, guide