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GeoGebra
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GeoGebra
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GGB練習
Author:
涂老師
GeoGebra
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平行線的判定
第八周作业2
中华人民共和国国旗
常见四边形是否是双心四边形
斐波那契螺旋弧线（表格法-可动态调节）
Discover Resources
花瓣曲線
Apollonius Problem gergonne 1
Combined Quiz on Bearings 方位：合併測驗
学习 GeoGebra 图形计算器
時距計算機 (時針改變)
Discover Topics
Parabola
Division
Vectors 3D (Three-Dimensional)
Arithmetic Operations
Cylinder