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正四面体的切接球
Author:
蔡永志
Topic:
Sphere
正四面体的切接球
GeoGebra
New Resources
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
拼砌四邊形
判斷球體
Discover Resources
極線獨立定理 / polar independence theorem
ctr to mid perd
Locus (Two points 2)
一次函数的副本
时钟（序列文本）
Discover Topics
Expected Value
Similar Triangles
Inequalities
Quadratic Equations
Tree Diagrams