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作者：
Ken Healy
GeoGebra
最新資源
Perpendicular Lines: Quick Exploration
Pythagorean Theorem: Quick Illustrator
希尔伯特曲线
Right Triangle Inscribed in a Semicircle
Slope Illustrator (2)
探索資源
Changing b value
Equation of a Straight Line
Circle, change one aspect
Quadrilateral Exploration Activity
pure Cap and Ind circuit
探索主題
微積分
分數
正弦
正切函數
算術運算