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用什么方法能在纸上画出圆形
更新时间: 2020-09-22 00:00:00  

材料:两支铅笔和一根线。

方法:

1、用线的两端把两支铅笔固定好;

2、然后以一支铅笔尖做圆心,另一支笔绕着它画即可。

注意事项:线尽量拉直,铅笔垂直。

关键词: 什么 方法 圆形

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