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Author:
Henry Leung
GeoGebra
New Resources
三角函数 的副本
科赫雪花
常见四边形是否是双心四边形
第八周作业
活动三：应用性质
Discover Resources
數的組合 (簡易)
立方體截痕
七角柱(可側轉、上下轉)
讀磅
正十二面體內接正四面體或內接正六面體
Discover Topics
Geometric Distribution
Complex Numbers
Symmetry
Function Graph
Right Triangles