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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
【案例】圆柱体内放置一个大球六个小球
兩位數除以一位數（一）
找出對稱軸
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
指數函數與二次函數的交點數
三角形分割
長方形
中位线的副本
拼砌四邊形
Discover Topics
Upper and Lower Sum or Riemann Sum
Tree Diagrams
Parabola
Probability
Coordinates