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Triangle_2_Q
Author:
ralphchen
GeoGebra
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撒针估算面积实验
三角函数 的副本
龙形曲线-分形龙
折扣
第八周作业2
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判斷柱體10
眼球定理
分段移動
奶哥要的物件
外接圓的心
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Similar Triangles
Numbers
Polynomial Functions
Ellipse
Reflection