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My second work
Author:
郭致伸
GeoGebra
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【案例】2013年安徽高考15题
兩位數加法
兩組對邊相等的四邊形
第八周作业
找出對稱軸
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田中的道路1
circle segment2
q5-8
黎曼和
地球儀
Discover Topics
Coordinates
Geometric Transformations
Solids or 3D Shapes
Complex Numbers
Cosine