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根據百分率找數量（一）:例1的副本
Author:
音节-Lisa
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
找出對稱軸
GeoGebra笔记功能体验课件
四邊形的特性
畫出對稱圖形
拼砌四邊形
Discover Resources
眼睛的毛病(近視及遠視)
Copy of 固定周界的長方形的面積變化
Angles in pyramid
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
禪繞畫
Discover Topics
Frequency Distribution
Conic Sections
Subtraction
Ratios
Special Points