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"拈" 類遊戲之一-搶21遊戲 The 21 game
Author:
侯杰材
GeoGebra
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兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
GeoGebra笔记功能体验课件
算柱 (兩位數)
球體建築師
Discover Resources
直線與曲線
相切的三圓
分數認識
對頂角_2
切割正四面體
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Statistical Characteristics
Cuboid
Geometric Mean
Rhombus
Straight Lines