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Chapter 11
Author:
yiphonkei
Chapter 11
GeoGebra
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常见四边形是否是双心四边形
圓的基本性質
撒针估算面积实验
圓的切線方程
三角函数 的副本
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BMIBMI
Proof1 楊玉峰
三圓相切
正四面體
圖形C
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Scalene Triangles
Coordinates
Arithmetic
Trigonometry
Rational Numbers