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Harvey E
作者：
erharvey
GeoGebra
最新資源
apec
bewijs stelling van Pythagoras
Proving Triangles Similar: Multistep Transformations
Thales' Intercept Theorem
seo tool
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Elementary Math (Sec 1 to 4) Applets
Alg I graphing linear equations
pg 51
Circumference/Radius
Ladybug animated RO Maria
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平行四邊形
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