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折纸角度探究
Author:
陈力
Topic:
Constructions
,
Symmetry
GeoGebra
New Resources
拼砌四邊形
四邉形 (四年級) 教師版
畫出對稱圖形
找出對稱軸
小数 的副本
Discover Resources
平行四邊形的面積
圓的面積
Book12-Unit3-柱體體積
圓系
柱面
Discover Topics
Diagrams
Interest Calculation
Means
Circle
Quadrilaterals