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Author:
范欣茹
GeoGebra
New Resources
四邉形 (四年級) 教師版
三位數除以一位數（一）
拼砌四邊形
錐體建築師
【案例】2018年全国1卷理科12题
Discover Resources
Polygon incised
sinα + sinβ > 0 ?
阿基米德的異想世界
加法有圖案
小船平移2
Discover Topics
Centroid or Barycenter
Poisson Distribution
Expected Value
Power Functions
Variance