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橢圓規Ellipsograph (Trammel of Archimedes)
Author:
宋政蒲
Topic:
Constructions
,
Ellipse
GeoGebra
New Resources
GeoGebra笔记功能体验课件
兩位數除以一位數（二）
錐體建築師
算柱 (兩位數)
近似值：有效數字
Discover Resources
國小數與量
Apollonius Problem poncelet fouche
轴对称
圈圈移動
乘法練習
Discover Topics
Statistical Characteristics
Upper and Lower Sum or Riemann Sum
Reflection
Median Line
Sine