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Addition of 2 Directed Numbers
Autor:
Chan Man Fai
Addition of 2 directed numbers
GeoGebra
Nous materials
畫出對稱圖形
四邉形 (四年級) 教師版
近似值：有效數字
Earth with coastline
拼砌四邊形
Descobriu materials
消失的面積(二)
正立方形與兩面角
扇形在射线上滚动
畢氏定理的副本
凸透镜原理模拟
Descobriu Temes
Funcions a trossos
Correlació
Plans
Arrels
Mediana