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Author:
yuishan2017
GeoGebra
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兩位數加法
兩位數除以一位數（二）
三位數除以一位數（一）
錐體建築師
直角坐標平面上的旋轉變換
Discover Resources
腳踏車輪圈2
讀量杯上的刻度 (練習)
gjc090c21內切圓的圓心
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拼圖2
Discover Topics
Cuboid
Linear Programming or Linear Optimization
Ellipse
Incircle or Inscribed Circle
Hyperbola