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GeoGebra Lesson
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Author:
chen mingchuan
GeoGebra
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sanjiaohanshu
美國國旗 (Claude 版)
Earth with coastline
美國國旗 (Codex 版)
幾何作圖題：切三圓（題目）
Discover Resources
Trajectory of system: y'=sin(y)-y/2
直線的投影量
三角函數sine跟cosine
EX11圖形7
橢圓2-四圓心近似法
Discover Topics
Straight Lines
Parallelogram
Orthocenter
Matrices
Confidence Interval