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F.3 Q5 BQ
Author:
johnmayhk
GeoGebra
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直角坐標平面上的旋轉變換
畫出對稱圖形
拼砌四邊形
【案例】2018年全国1卷理科12题
兩位數加法
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時鐘問題
外心
以「時」和「分」報時的副本
勾股定理证明演示--分割股边
楼梯
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Kite
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Inequalities
Sequences and Series
Mode