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Author:
周志康
GeoGebra
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活动三:应用性质
正方形雪花图案
龙形曲线-分形龙2
比較五件物件的重量
科赫雪花
Discover Resources
商高定理2
Quiz on Projection of a Line Segment on a Plane 投影:測驗
三角函數with sine, cosine圖形
Parallelogram
Copy of 信心水準與信賴區間
Discover Topics
Isosceles Triangles
Translation
Probability
Means
Symmetry