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Dizzy (Just for Fun)
Author:
Yen-lung Tsai
GeoGebra
New Resources
小数 的副本
美國國旗 (Codex 版)
畫出對稱圖形
第八周作业
近似值：有效數字
Discover Resources
部分佔全部的百分率: 例3
Quiz on Solving Right Triangles (Finding Side Lengths) 解直角三角形：測驗1（求邊長）
與兩圓相切的動圓圓心軌跡
平行四邊形面積
法線 (The Normal Line)
Discover Topics
Vectors 3D (Three-Dimensional)
Special Points
Addition
Cone
Boxplot