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几何模版：线段关系练习
Author:
艳er
GeoGebra
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平行線的判定
折扣
圓的基本性質
异形操场
三角函数 的副本
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Where is Micky?
雜類,其他
ruler
拋物線1--焦點法
初中数学教材配套资源【人教】
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Rotation
Planes
Cylinder
Straight Lines
Perimeter