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橢圓2-四圓心近似法
Author:
30張婷淯
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
三位數除以一位數（一）
畫出對稱圖形
四邉形 (四年級) 教師版
Discover Resources
正四面體、正六面體、正八面體
多邊形周界A
橢圓重心軌跡1
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
v中點座標軌跡(圓大正多邊形小)
Discover Topics
Similar Triangles
Tree Diagrams
Solids or 3D Shapes
Bar Chart or Bar Graph
Random Experiments