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教學－旋轉
Author:
Lau Sir
Topic:
Rotation
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
畫出對稱圖形
第八周作业
錐體建築師
Discover Resources
弦中點的軌跡
二項分布 (黑板)
正十二面體
百變火柴
手拉手模型
Discover Topics
LCM and GCD
Fractions
Square
Sphere
Incircle or Inscribed Circle