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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
拼砌四邊形
判斷球體
異分母分數減法
兩位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
Discover Resources
GeoGebra帳號註冊與登入
絕對值正弦函數圖形
三角形三邊長
製作對稱圖形 LEVEL 1
跳動的愛心－平面
Discover Topics
Diagrams
Power Functions
Solids or 3D Shapes
Standard Deviation
Arithmetic Operations