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蝴蝶定理推廣證明2(交比)
Author:
連琨銘
GeoGebra
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球体的体积推导
兩組對邊相等的四邊形
找出對稱軸
三位數除以一位數(二)
兩位數除以一位數(一)
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龍騰4習作
動態畢氏定理
畢氏定理變裝證明
P.5 面積問題04
兩位數除以一位數(二)
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Pythagoras or Pythagorean Theorem
Mathematics
Sine
Tangent Line or Tangent
Incircle or Inscribed Circle