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test geogebra 5.0
Author:
Ho-Kai Chen
only testing...
GeoGebra
New Resources
找出對稱軸
錐體建築師
兩組對邊相等和有直角的四邊形
兩位數加法
四邊形的特性
Discover Resources
PMC 2014-15 Q2
公開
活動工作紙LEVEL03
多物件逐一動畫
Fill the circle的副本
Discover Topics
Trigonometric Functions
Addition
Calculus
Tangent Function
Intersection