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黃金三角形 62326 劉虹圻
Author:
呂麗珠
GeoGebra
New Resources
兩位數加法
四邊形的特性
兩組對邊相等和有直角的四邊形
球體建築師
找出對稱軸
Discover Resources
有趣的切圓
同心圓
等腰三角形
乘法计时训练
小狗绕正五边形墙活动
Discover Topics
Rational Numbers
Standard Deviation
Fractal Geometry
Division
Circle