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peacock2
Author:
李春培
peacock2
GeoGebra
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【案例】2013年安徽高考15题
第八周作业
【案例】2018年全国1卷理科12题
找出對稱軸
畫出對稱圖形
Discover Resources
橢圓軌跡 (2)
Constructing Quadrilaterals by Four Sides (2014)
圓錐曲線
外心
数学之美
Discover Topics
Normal Distribution
Random Variables
Perimeter
Statistics
Multiplication