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GeoGebra
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GeoGebra
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GeoGebra
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時鐘
Author:
戴宇宏
GeoGebra
New Resources
錐體建築師
畫出對稱圖形
兩組對邊相等和有直角的四邊形
球体的体积推导（优化版）
画直线等分三角形的面积
Discover Resources
sample mean T test
方圓面積
上色練習
一數的百分之幾是多少？
序列向量
Discover Topics
Reflection
Linear Regression
Centroid or Barycenter
Perimeter
Multiplication