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Author:
Renxiaoli
GeoGebra
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双心四边形
盈利與虧蝕
斐波那契螺旋弧线（表格法-可动态调节）
第八周作业
撒针估算面积实验
Discover Resources
二次函數圖形的描繪
Verification of Pythagoras Theorem 驗証畢氏定理
分數與小數
If指令的應用1
正切函數 y=Tan(x)
Discover Topics
General Quadrilateral
Cuboid
Surface
Algebra
Percentages