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作者:
Sean
GeoGebra
最新資源
bewijs stelling van Pythagoras
apec
Addition of Vectors Algeraically
Colouring of Venn Diagram
z`]]
探索資源
Huygens principle in action - reflection on a parabola
wallpaper p3m1
Find the least squares line
Right Triangle Trig
Music Circles (3, 5, 7)
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