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固定面積的圖形周界變化
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Perimeter
,
Square
GeoGebra
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兩位數除以一位數（二）
球體建築師
第八周作业
拼砌四邊形
錐體建築師
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tan(α) tan(β) = ?
平行四邊形柱算體積(可以切開)
-(√3/2)³ ≤ sinα sinβ sinγ ≤ (√3/2)³
填色問題(封閉圖形)
尺规作图得到黄金三角形和黄金矩形
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Means
Triangles
Quadratic Equations
Histogram
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