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GeoGebra
GeoGebra Classroom
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Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
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Author:
陳伯宇
GeoGebra
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兩組對邊相等和有直角的四邊形
柱體建築師
兩組對邊相等的四邊形
四邊形的特性
球体的体积推导（优化版）
Discover Resources
圓錐的展開圖
對稱求最小
String Art
禪繞畫
可拖动A、B 改变形状
Discover Topics
Statistical Characteristics
Subtraction
Percentages
General Quadrilateral
Symmetry