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几何模版：类倍长中线的应用
Author:
lansesorry
GeoGebra
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百分數及其應用
三角函数 的副本
双心四边形
圓的基本性質
撒针估算面积实验
Discover Resources
test
時鐘小幫手
等積的正六邊形與正方形
linkage
序列向量
Discover Topics
Dilation
Isosceles Triangles
Conic Sections
Coordinates
Area