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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
四邉形 (四年級) 教師版
錐體建築師
三位數除以一位數(一)
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
亞瑟的圖像館
Apollonius Problem poncelet fouche
平行線 (同位角 - 4對)
Copy of 韻01
Copy of Wave Interference
Discover Topics
Rhombus
Root
Indefinite Integral
Scatter Plot
Area