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day 90
作者：
dane.ehlert
GeoGebra
最新資源
Right Triangle Inscribed in a Semicircle
Writing and Graphing Proportional Relationships (k>0)
Perpendicular Lines: Quick Exploration
Deriving the Sector Area Formula
Rovnoběžnost rovin
探索資源
Circle Theorem 11
Centroid Properties 2: Concurrent Medians - ST
pacman
五位數的位值
mid segment act
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角柱
正弦
柱體
平移
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