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圓周公式應用題2的副本
Author:
付登临
,
Anthony OR 柯志明
GeoGebra
New Resources
双心四边形
直線的斜率
圓的基本性質
盈利與虧蝕
龙形曲线-分形龙2
Discover Resources
利用按鈕控制動畫On/Off
p11-10
四下_面積（一）(學生版)
放射狀旋轉圖形(3)
正方形穿越
Discover Topics
Symmetry
Poisson Distribution
Solids or 3D Shapes
Similar Triangles
Arithmetic Operations