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GeoGebra
Locus 軌跡(2T)
Author:
Alex CHIK
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
毕氏螺线
分角线
建中科學班 103 單選 4
笛卡尔求爱公式
弧度制的意义的副本
Discover Resources
perimeter
Example 1
立體三角測量(例七&八)
扇形滚动
三线八角
Discover Topics
General Quadrilateral
Logic
Tree Diagrams
Histogram
Similar Triangles