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rotational symmetry_1
Author:
maths324324
GeoGebra
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画直线等分三角形的面积
【案例】2013年安徽高考15题
第八周作业
找出對稱軸
判斷球體
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廣義角的代換(180度加減角度)
畢氏定理
拋物線5--包絡線法
旋轉線段
椭圆的离心率
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Quadrilaterals
Terms
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Incircle or Inscribed Circle
Similar Triangles