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waaachen
Author:
陳兪宏
waaachen
GeoGebra
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兩位數加法
拼砌四邊形
小数 的副本
直角坐標平面上的旋轉變換
【案例】2013年安徽高考15题
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圓交與公切線
給柱體一個名字 1
Geometry: Angles Sum of Triangle (幾何：三角形內角和)
駐波
Exploration of the conditions for congruent triangles.
Discover Topics
Straight Lines
Median Line
Linear Functions
Similarity Transformation or Similarity
Vectors 3D (Three-Dimensional)