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纏繞畫
Author:
洪源朗
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數除以一位數（二）
判斷球體
兩位數加法
【案例】圆柱体内放置一个大球六个小球
Discover Resources
量度活動所用的時間 (時、分)
CK雋翔的GGB BOOK
方塊圖(平均)
指令
S6 Vectors
Discover Topics
Cosine
Polynomial Functions
Tree Diagrams
Incircle or Inscribed Circle
Matrices