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My Parallelogram
作者:
W. Gary Martin
主題:
平行四邊形
GeoGebra
最新資源
Ellipse, Hyperbola and Circle as Envelopes
Angles and Intersecting Lines: Quick Investigation
"Compressed" Astroid as Envelope
Cross Product in 2D and 3D
Viviani's Window
探索資源
Lines Associated with a Triangle
palm tree
Counting Square
Circumcenter of a Triangle (Work in Progress)
rotations
探索主題
全等
等式
反射
參數曲線
黎曼和(Riemann Sum)