本书为中学生量身打造，分为上篇、中篇和下篇三部分。上篇指导阅读，深入浅出地介绍了《九章算术》产生的时代背景、主要内容、历史地位及现代价值，并为学生提供切实的阅读建议。中篇节选《九章算术》原著精华。下篇为学习资源，包括扩展阅读、数字课程、思考题、阅读笔记。
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