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公切線的條數
Author:
李春培
公切線的條數
GeoGebra
New Resources
異分母分數減法
拼砌四邊形
找出對稱軸
兩組對邊相等的四邊形
算柱 (兩位數)
Discover Resources
圖形縮放展示
GGB研習作品
物件平移的概念
test
第一个绘本
Discover Topics
Logarithm
Line Segment
Equilateral Triangles
Logic
Polygons