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GeoGebra
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GeoGebra
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GeoGebra
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正方形雪花图案
折扣
第三周作业效果演示
科赫雪花
异形操场
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周界
Reflection 反射變換
設備設計
Public test
向量分解的副本
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Cylinder
Statistical Characteristics
Rhombus
Trigonometry
Plane Figures or Shapes