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Learn01
Author:
June Guam
GeoGebra
三角形ABC，E、F分别是AB、AC的中点，通过E、F分别作垂线交于点D。 证明：AD＝BD。
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找出對稱軸
錐體建築師
【案例】2018年全国1卷理科12题
柱體建築師
球體建築師
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test1(尋找北極星)
畢氏定理3
正二十面體內接黃金矩形
勒洛三角形頂點C軌跡
二分法求函数零点值
Discover Topics
Integers
General Quadrilateral
Pythagoras or Pythagorean Theorem
Logarithmic Functions
Polygons