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Author:
李政憲
GeoGebra
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拼砌四邊形
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
算柱 (兩位數)
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腳踏車痕模擬
极坐标
Circle Rule
If指令的應用1
圓周角與圓心角之度數關係臆測（圓心在圓周角的內部）
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Perimeter
Constructions
Hyperbola
Arithmetic Mean
Similar Triangles