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龍騰4_1-1講段9
Author:
廖傑成
GeoGebra
New Resources
球體建築師
錐體建築師
畫出對稱圖形
GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
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Simultaneous Linear Equations 聯立二元一次方程
三角形，點上平分面積
西姆松定理推廣(西姆松圓)
翻轉方塊(雙開)
(004)80201辛宇婕
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Root
Trapezoid
Matrices
Special Points
Mathematics