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橢圓與雙曲線折紙
Author:
Hsin Han Wang
移動C點就可以看到橢圓跟雙曲線的包絡線
GeoGebra
New Resources
柱體建築師
四邊形的特性
判斷球體
球体的体积推导(优化版)
画直线等分三角形的面积
Discover Resources
Rotation 旋轉變換
Angle Sum in a Triangle
ex 4
包絡線
GGB 教程
Discover Topics
Pie Chart or Circle Chart
Matrices
Natural Numbers
Histogram
LCM and GCD