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椭圆的定义
Author:
jjx01
Topic:
Conic Sections
,
Ellipse
GeoGebra
New Resources
球体的体积推导（优化版）
畫出對稱圖形
算柱 (兩位數)
【案例】圆柱体内放置一个大球六个小球
第八周作业
Discover Resources
GGB研習繪本
黃金矩形
聖者即正義
餘數處理
Copy of 圖一
Discover Topics
Parallelogram
Line Segment
Tree Diagrams
Division
Differential Equation