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吳政憲
GeoGebra
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兩位數除以一位數（二）
拼砌四邊形
算柱 (兩位數)
【案例】2013年安徽高考15题
兩位數加法
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美麗的彩虹骨牌
angle between lines
與兩圓相切的動圓圓心軌跡
太极图
Sequence指令作圖-3
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Rotation
Means
Natural Numbers
Triangles
Conic Sections