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學習單：三角形任一外角與內角關係
Author:
Tsai, Dung Jung
,
Tim Brzezinski
GeoGebra
New Resources
三位數除以一位數（一）
球體建築師
柱體建築師
錐體建築師
【案例】圆柱体内放置一个大球六个小球
Discover Resources
題1
拋物線
Ambiguous Cone
翰林卷第10题
公平的切蛋糕 Selfridge-Conway 免嫉妒分法(envy-free cake-cutting)
Discover Topics
Expected Value
Statistics
Differential Equation
Vectors
Circumcircle or Circumscribed Circle