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大圓小圓
Author:
jacky99021011
GeoGebra
New Resources
撒针估算面积实验
正方形雪花图案
比較五件物件的重量
双心四边形
常见四边形是否是双心四边形
Discover Resources
數學作業
設備設計
算幾不等式
椭球面
半圆的滚动
Discover Topics
Tangent Line or Tangent
Geometry
Hyperbola
LCM and GCD
Arithmetic Operations