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GeoGebra
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day01_04
Author:
周昭景
GeoGebra
New Resources
找出對稱軸
直角坐標平面上的旋轉變換
球體建築師
近似值：有效數字
畫出對稱圖形
Discover Resources
多边形外角和
重心三等分三角形
外擺線
test
黃金矩形
Discover Topics
Combinatorics
Set Theory
Square
Arithmetic Mean
Arithmetic