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題 2
Author:
HYHivy
,
GeoGebra Institute of Hong Kong
計算下圖的面積。
GeoGebra
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三位數除以一位數（二）
兩位數加法
兩組對邊相等和有直角的四邊形
錐體建築師
【案例】圆柱体内放置一个大球六个小球
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GeoGebra Tube
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S2 Angles Related to Rectilinear Figures
圓與切線
圆锥曲线
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Conic Sections
Vectors 3D (Three-Dimensional)
Quadratic Equations
Vectors
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