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ROC國徽1060310
Author:
陳正鴻
GeoGebra
New Resources
畫出對稱圖形
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
找出對稱軸
Discover Resources
三角形三邊關係
斯霍滕(Schooten)定理(與角平分線定理等價)
圓與直線
happy planet
電風扇
Discover Topics
Solids or 3D Shapes
Correlation
Equations
Cuboid
Translation