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橢圓規Ellipsograph (Trammel of Archimedes)
Author:
宋政蒲
Topic:
Constructions
,
Ellipse
GeoGebra
New Resources
兩位數除以一位數（二）
兩組對邊相等的四邊形
判斷球體
異分母分數減法
四邉形 (四年級) 教師版
Discover Resources
教學－面與面的夾角
大圓在小圓上滾動(利用Affineratio指令)
莫比烏斯帶01
Question 1
比例中的定值問題(二)
Discover Topics
Derivative
Calculus
Optimization Problems
Statistical Characteristics
Algebra