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Brown's Ellipsograph
Author:
gk1228
Topic:
Conic Sections
,
Constructions
,
Ellipse
,
Geometry
GeoGebra
New Resources
球体的体积推导（优化版）
判斷球體
兩位數除以一位數（一）
【案例】2013年安徽高考15题
三位數除以一位數（二）
Discover Resources
HOMEWORK
線性組合面積
Pappus Chain
一线三等角模型
西图对
Discover Topics
Angles
Arithmetic Operations
Unit Circle
Secant Line or Secant
Equations