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任务12：手拉手模型
Author:
陈丽婷
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
球體建築師
柱體建築師
球体的体积推导
第八周作业
Discover Resources
Quiz on Addition and Subtraction of Directed Numbers (2) 有向數加減測驗(2)
你能找出一元嗎?
正方形與圓中點軌跡(1060724)
三角函數名稱的由來
時鐘
Discover Topics
Equilateral Triangles
Cone
Root
Polygons
Median Value