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Author:
Leung Chun Kit
GeoGebra
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平行線的判定
百分數及其應用
异形操场
龙形曲线-分形龙
小学资源收集
Discover Resources
托勒密定理推廣到任意四邊形一
周界平移
猴子爬樹
多点联动
小狗绕正五边形墙活动
Discover Topics
Volume
Circle
Quadrilaterals
Conditional Probability
Inequalities