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GeoGebra
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GeoGebra
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2018-16
Author:
sschy
GeoGebra
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斐波那契螺旋弧线（表格法）
第八周作业2
双心四边形
第八周作业
常见四边形是否是双心四边形
Discover Resources
peacock2
arccot 的導數
雨刷練習
等角作圖
Copy of 角平分線分點比例
Discover Topics
Line Segment
Piecewise Functions
General Quadrilateral
Numbers
Vectors 2D (Two-Dimensional)