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二面角
Author:
qianqianhouhou
二面角的概念，拖动A、E点改变半平面
GeoGebra
New Resources
算柱 (兩位數)
兩位數除以一位數（二）
兩位數除以一位數（一）
球體建築師
畫出對稱圖形
Discover Resources
判斷柱體 1
拋物線
立体几何
圓周的計算
正方体展开图的副本
Discover Topics
Circumcircle or Circumscribed Circle
Coordinates
Ratios
Exponential Functions
Diagrams