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百變火柴
Author:
Anthony Or 柯志明
,
Anthony OR 柯志明
Topic:
Perimeter
GeoGebra
New Resources
sanjiaohanshu
四邉形 (四年級) 教師版
找出對稱軸
算柱 (兩位數)
判斷球體
Discover Resources
動畫的根本animation of root
包含除法（1 ÷分數）
數線_小數的認識
和两个圆都相切的圆
圆周展开
Discover Topics
Cone
Linear Equations
Kite
Quadratic Functions
Statistical Characteristics