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橢圓規Ellipsograph of Parallelogram
Author:
宋政蒲
Topic:
Constructions
,
Ellipse
,
Parallelogram
現實工程上仍不易做到的橢圓畫法
GeoGebra
New Resources
四邊形的特性
兩位數除以一位數（二）
GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
異分母分數減法
Discover Resources
Difference of Two Squares 平方差 (2)
作業
Tiling 2
幾何作圖 根號 螺線圖
題四
Discover Topics
Cylinder
Pythagoras or Pythagorean Theorem
Terms
Division
Straight Lines