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圓外切四邊形
Author:
李春培
Topic:
Circle
GeoGebra
New Resources
GeoGebra笔记功能体验课件
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
拼砌四邊形
四邊形的特性
Discover Resources
Geometry: Types of Angles 2 (幾何：角的種類 2)
任意三角形外心與外接圓
折長方形 62326虹圻
折長方形 62326 part2
三角形全等的直观图(可重合).许兴华数学
Discover Topics
Integers
Solids or 3D Shapes
Quadrilaterals
Symmetry
Rhombus