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拿破崙三角形
Author:
羅驥韡 (Pegasus Roe)
說明影片：
http://youtu.be/q9nxM2MYOVE
GeoGebra
New Resources
Nested spiral octagon
三位數除以一位數（二）
算柱 (兩位數)
球體建築師
直角坐標平面上的旋轉變換
Discover Resources
阿波羅尼亞圓
內心
用GeoGebra試算表模擬牛牛頓法x3
骨牌
认识方程
Discover Topics
Trapezoid
Optimization Problems
Equilateral Triangles
Histogram
Median Line