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橢圓
Author:
洪宜慧
GeoGebra
New Resources
常见四边形是否是双心四边形
百分數及其應用
折扣
撒针估算面积实验
圓的基本性質
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等腰三角形內嵌矩形
較複雜的周界問題(二)
Copy of 劉徽的「割圓術」
餘數處理2
反比例函数3456
Discover Topics
Rotation
Integers
Translation
Geometry
Limits