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Author:
余銘芬
GeoGebra
New Resources
直角坐標平面上的旋轉變換
三位數除以一位數(二)
四邉形 (四年級) 教師版
找出對稱軸
画直线等分三角形的面积
Discover Resources
精神堡壘
垂心問題
塗色02
纏繞畫1
学用数学(分季)
Discover Topics
Fractal Geometry
Combinatorics
Terms
Rotation
Function Graph