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Addition of 2 Directed Numbers
Author:
Chan Man Fai
Addition of 2 directed numbers
GeoGebra
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画直线等分三角形的面积
拼砌四邊形
兩組對邊相等的四邊形
畫出對稱圖形
球體建築師
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量度活動所用的時間 (時、分、秒)
認識函數圖形
物件的平移概念
小四平面圖形學習單
腳踏車風火輪
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Cylinder
Quadratic Equations
Optimization Problems
Right Triangles
Power Functions