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有向數
有向數加減 (Part 1)
有向數加減 (Part 2)
有向數
Autor:
Alex CHIK
GeoGebra 互動數學教室
http://www.geogebra.hk
Tabla de contenidos
有向數加減 (Part 1)
Addition and Subtraction of Directed Numbers (1) 有向數加減(1)
Quiz on Addition and Subtraction of Directed Numbers (1) 有向數加減測驗(1)
有向數加減 (Part 2)
Addition and Subtraction of Directed Numbers (2) 有向數加減(2)
Quiz on Addition and Subtraction of Directed Numbers (2) 有向數加減測驗(2)
Siguiente
Addition and Subtraction of Directed Numbers (1) 有向數加減(1)
Nuevos recursos
美國國旗 (Claude 版)
找出對稱軸
近似值:有效數字
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
Descubrir recursos
直角三角形斜边上的中线
畢氏定理的證明(三移動)
三角形重心、垂心、內心、外心、尤拉線、九點圓圖解
五边形的旋转平铺(迭代加序列)
竞猜游戏:说出图中角的大小
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