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三心
Author:
林銓柔
GeoGebra
New Resources
判斷球體
Fibonacci Clock
近似值：有效數字
四邉形 (四年級) 教師版
Earth with coastline
Discover Resources
圓面積計算
GeoGebra与数学教育论坛通知
圓內兩半圓相切問題
利用Geogebra說明線性函數的圖形性質
向外延伸的多邊形
Discover Topics
Sequences and Series
Random Experiments
General Quadrilateral
Straight Lines
Symmetry