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立體圖形 KH
Author:
Wong King Hei
GeoGebra
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异形操场
科赫雪花
常见四边形是否是双心四边形
斐波那契螺旋弧线(表格法-可动态调节)
折扣
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用星星來比較圖形的大小
圓例8
國旗
周界2
用向量找北极星
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Area
Translation
Matrices
Multiplication
Functions