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Author:
Lin Ching Chieh
GeoGebra
New Resources
畫出對稱圖形
四邊形的特性
找出對稱軸
錐體建築師
【案例】2018年全国1卷理科12题
Discover Resources
圓 點 直線
Add and subtract (binary)
telling the time
向量的伸縮
規律物件集的製作
Discover Topics
Function Graph
Random Experiments
Cuboid
Quadrilaterals
Translation