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單一波
Author:
蔡承原
GeoGebra
New Resources
找出對稱軸
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
球体的体积推导
Discover Resources
閱讀鐘面及數字鐘（時和分）
平行四邊形面積教材三
Introduce Tangent Ratio
asasd
轉彎的箭頭
座標網格的複數映射
Discover Topics
Intersection
Means
Continuity
Reflection
Congruence