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直線之美
Author:
李春培
直線之美
GeoGebra
New Resources
錐體建築師
畫出對稱圖形
兩位數加法
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
Discover Resources
七巧板
ycps4a1
地球－分區著色
禪繞畫2
作業1
Discover Topics
Geometric Mean
Continuity
Exponential Functions
Reflection
Real Numbers