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长沙市实验小学 肖艳君

长沙市实验小学 肖艳君. 边. 顶点. 边. 认识角的各部分名称 ：. 角是由 一个 顶点 两条 边组成的。. 判断下面图形哪些是角？. √. √. 1. 2. 3. 4. ＜. ＜. 锐 角. 直 角. 钝 角. 你想坐哪把椅子？为什么？. 三把楼梯修电灯，你会选择哪一把？为什么？.

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长沙市实验小学 肖艳君

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  1. 长沙市实验小学 肖艳君

  2. 边 顶点 边 认识角的各部分名称： 角是由一个顶点两条边组成的。

  3. 判断下面图形哪些是角？ √ √ 1 2 3 4

  4. ＜ ＜ 锐 角 直 角 钝 角

  5. 你想坐哪把椅子？为什么？

  6. 三把楼梯修电灯，你会选择哪一把？为什么？

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