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Author:
chen mingchuan
GeoGebra
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【案例】2013年安徽高考15题
畫出對稱圖形
找出對稱軸
三位數除以一位數（一）
画直线等分三角形的面积
Discover Resources
中線
折一半
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
拋物線6-包絡線法
用向量找北极星
Discover Topics
Differential Equation
Difference and Slope
Tree Diagrams
Statistics
Quadratic Functions