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fchengang
Author:
符成岗
GeoGebra
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常见四边形是否是双心四边形
第八周作业
平行線的判定
撒针估算面积实验
龙形曲线-分形龙
Discover Resources
測試
齊來製作對稱圖
Quiz on Index Notation 指數記數法：測驗
函数奇偶性的图像特征
Copy of 分數與小數
Discover Topics
Algebra
Power Functions
Constructions
Means
Integers