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The Butterfly Theorem
作者：
Lamberto Lamberti
http://www.cut-the-knot.org/pythagoras/Butterfly.shtml
GeoGebra
最新資源
Untitled
Folding door
apec
Nikmati Keunggulan Di Bandar Judi Terpercaya
Proving Triangles Similar: Multistep Transformations
探索資源
conecle2
PRECAL1
Solids Of Revolution的副本
Circle Theorem - Angle at the centre twice that at the circumference
Area Model Multiplication
探索主題
加法
向量
二項分布
幾何中心或重心
餘弦