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TRY_4.11.2016
Author:
Yeung Wing Ying
GeoGebra
New Resources
判斷球體
畫出對稱圖形
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
錐體建築師
Discover Resources
拿破崙三角形(費馬點)
幸運輪
認識時鐘
心脏线切线族
动态平衡
Discover Topics
Cylinder
Real Numbers
Quadratic Functions
Quadratic Equations
Boxplot