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橢圓
Author:
shan chun
Topic:
Ellipse
GeoGebra
New Resources
判斷球體
算柱 (兩位數)
四邊形的特性
錐體建築師
兩位數除以一位數(一)
Discover Resources
圓底三角形截面
[工具箱] 標示長度
基測數學100-1-30 :等腰三角形求角度
GGBex2
抛物线顶点形成椭圆动画
Discover Topics
Optimization Problems
Diagrams
Surface
Root
Integers