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二年級_錐體的觀察
Author:
chan
GeoGebra
New Resources
兩位數加法
三位數除以一位數（二）
四邉形 (四年級) 教師版
柱體建築師
算柱 (兩位數)
Discover Resources
讀磅 (練習)
阿基米德多面體
纏繞畫
球的内接三棱锥
百分數、分數和小數互化
Discover Topics
Circumcircle or Circumscribed Circle
Circle
Centroid or Barycenter
Hyperbola
Upper and Lower Sum or Riemann Sum