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GeoGebra
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1a
Author:
Reeve
GeoGebra
New Resources
活动三:应用性质
中华人民共和国国旗
比較五件物件的重量
异形操场
正方形雪花图案
Discover Resources
觀察軌跡求面積
Q2-3
Dizzy (Just for Fun)
認識分數
justin0704
Discover Topics
Diagrams
Pyramid
Sphere
LCM and GCD
Geometric Distribution