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Author:
chengkp
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Anthony OR 柯志明
GeoGebra
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柱體建築師
GeoGebra笔记功能体验课件
算柱 (兩位數)
四邉形 (四年級) 教師版
三位數除以一位數（一）
Discover Resources
反射定律 Law of Reflection
角平分線製作
拋物線基本名詞介紹
正方形和長方形有甚麼特性？
碎形
Discover Topics
Integers
Difference and Slope
Subtraction
Tree Diagrams
Cuboid