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畢氏定理-切割法
Author:
Tone
GeoGebra
New Resources
折扣
撒针估算面积实验
百分數及其應用
活动三：应用性质
平行線的判定
Discover Resources
一般變換
angles sum on a striaght line
Ex5D#4
同心圓
圆之吻（Apollonius circles）
Discover Topics
Volume
Equilateral Triangles
Real Numbers
Differential Equation
Piecewise Functions