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Author:
yukunliao34
GeoGebra
New Resources
平行線的判定
折扣
科赫雪花
盈利與虧蝕
异形操场
Discover Resources
Quiz on Compass Bearings 羅盤方位角：測驗
老師~這樣算另一種嗎??
國旗動畫
中華民國國旗
滑桿動畫(起始檔案)
Discover Topics
Orthocenter
General Quadrilateral
Square
Geometric Distribution
Rotation