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Quadrilateral family tree
作者：
Mr Quirk
GeoGebra
最新資源
Parabolas, Lines and Nomograms
apec
Congruent Figures
What Do You See? (2)
Squares Question
探索資源
Parts of an ellipse.
Slider-2
Trapece
Graphical sol of Quadratic Equations
Polar Coordinates
探索主題
直角三角形
曲線描繪
二次函數
算術運算
正弦