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Author:
陳兪宏
吳孟哲老師解法
GeoGebra
New Resources
盈利與虧蝕
常见四边形是否是双心四边形
折扣
第八周作业3
第八周作业1
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拋物線軌跡圖
Parallelogram 02
我的社團圖形
盾牌~~~~
Copy of 劉徽的「割圓術」
Discover Topics
Parallelogram
Rotation
Constructions
Vectors
Ellipse