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折纸角度探究2
Author:
陈力
Topic:
Constructions
,
Symmetry
GeoGebra
New Resources
畫出對稱圖形
近似值：有效數字
第八周作业
找出對稱軸
Earth with coastline
Discover Resources
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Discover Topics
Median Value
Function Graph
Vectors
Parabola
Parametric Curves