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Rotation 旋轉變換
Author:
Alex CHIK
Topic:
Rotation
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
中华人民共和国国旗
GeoGebra数学资源(4-8年级)
龙形曲线-分形龙
比較五件物件的重量
斐波那契螺旋弧线(表格法)
Discover Resources
和差角公式几何证明
polygon(first upload)
正弦與餘弦函數
兩線段和圓的關係2
橢圓1--四圓心近似法
Discover Topics
Conic Sections
Root
Triangles
Frequency Distribution
Equilateral Triangles