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六上练习:时钟轨迹问题
Author:
肖昆明
GeoGebra
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画直线等分三角形的面积
拼砌四邊形
畫出對稱圖形
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
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test
固定三角形的條件−題6
GGB1
圓錐曲線
极值点方式求圆心
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Multiplication
Cuboid
Logic
Trigonometry
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