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dynamics dragon
Author:
赵林
GeoGebra
New Resources
兩位數除以一位數(二)
兩位數加法
三位數除以一位數(二)
拼砌四邊形
画直线等分三角形的面积
Discover Resources
正四面體對邊向量垂直作圖證明
解構正立方體
期末作業(作品集)
Bisects Chord
小六容量與體積_裝箱問題
Discover Topics
Statistical Characteristics
Curve Sketching
Fractal Geometry
Secant Line or Secant
Symmetry