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GeoGebra
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GeoGebra
GeoGebra Classroom
GeoGebra
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未命名
Author:
叶卢庆
GeoGebra
New Resources
兩位數加法
兩位數除以一位數（二）
四邊形的特性
第八周作业
球體建築師
Discover Resources
I love you
Geometric Circle
兩條數線比較(雙單位)
可動多邊形
可拖动A、B 改变形状
Discover Topics
Inequalities
Upper and Lower Sum or Riemann Sum
Area
Square
Equilateral Triangles