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用一张长方形纸对折，并画出它的对称轴。

用一张长方形纸对折，并画出它的对称轴。. 对称轴. 长方形纸有 2 条对称轴. 对称轴. 试一试. 试一试. 正方形纸有 4 条对称轴. 3 条对称轴. 4 条对称轴. 6 条对称轴. 5 条对称轴. 讨论. 圆有无数条对称轴. 画出下面图形的轴对称图形. 努力吧！. 下面图形哪些是轴对称图形？. 上面图形中有一条对称轴的图形有（ ）， 有两条对称轴的图形有（ ），没有对称轴 的图形有（ ）。.

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用一张长方形纸对折，并画出它的对称轴。

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  1. 用一张长方形纸对折，并画出它的对称轴。 对称轴 长方形纸有2条对称轴 对称轴

  2. 试一试

  3. 试一试 正方形纸有4条对称轴

  4. 3条对称轴 4条对称轴 6条对称轴 5条对称轴

  5. 讨论 圆有无数条对称轴

  6. 画出下面图形的轴对称图形

  7. 努力吧！

  8. 下面图形哪些是轴对称图形？

  9. 上面图形中有一条对称轴的图形有（ ）， 有两条对称轴的图形有（ ），没有对称轴 的图形有（ ）。

  10. 下面的数字，哪些是轴对称图形？它们各有几条对称轴？下面的数字，哪些是轴对称图形？它们各有几条对称轴？ 0 1 2 3 4 5 6 7 9

  11. 本课小结 你都学了哪些内容？自己总结一下！

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