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Closure shape
Author:
Ng KC
Closure shape
GeoGebra
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圓周公式的應用
撒针估算面积实验
正方形雪花图案
第八周作业3
双心四边形
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對稱方波
圓內弦中點軌跡
Copy of 劉徽的「割圓術」
平方差公式的几何意义
五年級_立體圖形_角錐展開圖
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Line Segment
Polynomial Functions
Equilateral Triangles
Square
Linear Equations