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test geogebra 5.0
Author:
Ho-Kai Chen
only testing...
GeoGebra
New Resources
球體建築師
兩位數除以一位數(一)
四邊形的特性
画直线等分三角形的面积
三位數除以一位數(二)
Discover Resources
閱讀鐘面及數字鐘(時和分)
Graph of Quadratic Function 二次方程圖像
面積3
操場
省政信箱
Discover Topics
Area
Root
Incircle or Inscribed Circle
Probability
Parametric Curves