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Author:
徐长俊
GeoGebra
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双心四边形
第八周作业1
正方形雪花图案
比較五件物件的重量
第八周作业2
Discover Resources
中國火柴遊戲二
Triangle Inequalities
Add and subtract
Apollonius Problem 7 CCP Inversion simple
蠟蠋成像
Discover Topics
Rectangle
Division
Real Numbers
Coordinates
Root