本书第1章介绍Scratch，以及它能够实现的内容；然后引出第2章Scratch 3.0的界面知识与操作方法，介绍Scratch 3.0的一些基本操作；接着在第3-6章以案例形式介绍了Scratch 3.0在动画制作、游戏设计、数学编程、硬件编程4个方面的实现方法和步骤；第7章介绍Scratch官方社区的相关内容。
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