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GeoGebra
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GeoGebra
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polygon(first upload)
Author:
mingyi
GeoGebra
New Resources
算柱 (兩位數)
三位數除以一位數（二）
兩位數加法
第八周作业
找出對稱軸
Discover Resources
檢驗區
有向角
定義篇
圖形C
笛卡兒之心
Discover Topics
Rational Numbers
Trapezoid
Vectors 3D (Three-Dimensional)
Geometric Distribution
Pie Chart or Circle Chart