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GeoGebra
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Time
Elapsed Time
24 小時報時制
Time
Author:
Winnie
Elapsed Time
24 小時報時制
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New Resources
判斷球體
第八周作业
兩組對邊相等和有直角的四邊形
柱體建築師
拼砌四邊形
Discover Resources
史坦納圓 (Steiner Circle)
二次函數02
夜市麻將模擬機2
橢圓的副本
向量分解的副本
Discover Topics
Line Segment
Volume
Polygons
Centroid or Barycenter
Inequalities