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20161223 第二題
Author:
3A516057 練鴻裕
GeoGebra
New Resources
龙形曲线-分形龙
龙形曲线-分形龙2
球体的截面
科赫雪花
撒针估算面积实验
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極限不存在(雙路徑法)
數學傳播39卷4期, 平面幾何公式思考
密铺图形
向量加法
直线与平面垂直的折纸实验
Discover Topics
Square
Vectors 2D (Two-Dimensional)
Piecewise Functions
Perimeter
Tangent Line or Tangent