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三角形面積
Author:
鍾文欽
GeoGebra
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GeoGebra笔记功能体验课件
畫出對稱圖形
兩位數加法
兩組對邊相等和有直角的四邊形
找出對稱軸
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waaachen
判斷球體 3
Ovuvuevuevue Enyetuenwuevue Ugbemugbem Osas
角錐體積-金字塔法
圓 點 直線 的複本
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Right Triangles
Subtraction
Cube
Surface
Pyramid