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GeoGebra
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2-3-1 圓標準式
Author:
陳家豪
GeoGebra
New Resources
正方形雪花图案
异形操场
小学资源收集
比較五件物件的重量
撒针估算面积实验
Discover Resources
畢氏定理的證明(三移動)
角度比較
對稱圖形
三比值和為一
同位角
Discover Topics
Arithmetic Mean
General Quadrilateral
Addition
Derivative
Probability