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3-3-07
Author:
Tzuen Hsu
GeoGebra
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近似值：有效數字
找出對稱軸
【案例】2018年全国1卷理科12题
柱體建築師
兩位數加法
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立體錯覺樓梯(使用透視法會稍有差距)
B6 二次函數
動態幾何錯覺
sin(x) 的函數圖形 的複本
展開圓面積 (講義版)的副本
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Tangent Line or Tangent
Special Points
Reflection
Means
Rotation