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"拈" 類遊戲之一-搶21遊戲 The 21 game
Author:
侯杰材
GeoGebra
New Resources
兩位數加法
小数 的副本
兩組對邊相等的四邊形
柱體建築師
兩位數除以一位數（二）
Discover Resources
Quiz on Joint Variation 聯變：測驗
量角器1
六年級_截面_錐體_多邊形
正方形推垛
反演 (Inversion)的副本
Discover Topics
Plane Figures or Shapes
Means
Cone
Calculus
Intersection