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Author:
军云
GeoGebra
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斐波那契螺旋弧线(表格法)
比較五件物件的重量
常见四边形是否是双心四边形
龙形曲线-分形龙2
活动三:应用性质
Discover Resources
平行四邊形面積教材三
正四面體
判別式
My GGC-1
學習活動二之二參數與圖形結構的關係
Discover Topics
Matrices
Linear Equations
Cone
Angles
Quadratic Functions