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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
拼砌四邊形
錐體建築師
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
球体的体积推导（优化版）
Discover Resources
function
向量分點公式
直線排列 3
椭圆的定义
拋物線6--包絡線法
Discover Topics
Vectors 3D (Three-Dimensional)
Rational Numbers
Complex Numbers
Hyperbola
LCM and GCD