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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
四邊形的特性
找出對稱軸
【案例】圆柱体内放置一个大球六个小球
球體建築師
兩位數加法
Discover Resources
對稱
方塊圖_李樂雯
簡易畢氏訂裡面積分割證明法
Ambiguous Cylinder illusion
萬花筒
Discover Topics
Tree Diagrams
Random Variables
Median Value
General Quadrilateral
Logic