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Tool4P
Author:
侯杰材
GeoGebra
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四邊形的特性
拼砌四邊形
直角坐標平面上的旋轉變換
【案例】2018年全国1卷理科12题
找出對稱軸
Discover Resources
GGB5
認識角度
螺旋正方形
了解圓方程(1)的副本
三角形的內心
Discover Topics
Numbers
Upper and Lower Sum or Riemann Sum
Surface
Sequences and Series
Trapezoid