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千年曆
Author:
李春培
GeoGebra
New Resources
找出對稱軸
三位數除以一位數（二）
算柱 (兩位數)
【案例】2018年全国1卷理科12题
判斷球體
Discover Resources
學習單：Hilbert Curves
Clown
area 面積2
二元线性规划的图解法(18.2 例6)
分點與向量比
Discover Topics
Means
Median Line
Optimization Problems
Matrices
Centroid or Barycenter