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正九邊形
Author:
李春培
正九邊形
GeoGebra
New Resources
三位數除以一位數(一)
找出對稱軸
畫出對稱圖形
第八周作业
三位數除以一位數(二)
Discover Resources
圓與弦2
題八
Lens2
正12面體內的正四面體製作
单晨答GeoGebra绘图与课件制作北京王勇第二题
Discover Topics
Sequences and Series
Cone
Division
Histogram
Geometric Mean