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Rectangle _03
Author:
iedc
GeoGebra
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【案例】2018年全国1卷理科12题
四邊形的特性
畫出對稱圖形
直角坐標平面上的旋轉變換
拼砌四邊形
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初三奥赛:圆的切割线问题
平行四邊形中點連線及分角線交點連線形狀
兩圓的公切線
時鐘
圓的面積的副本
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Triangles
Division
Circle
Calculus
Probability