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Addition of 2 Directed Numbers
Author:
Chan Man Fai
Addition of 2 directed numbers
GeoGebra
New Resources
兩組對邊相等的四邊形
画直线等分三角形的面积
四邉形 (四年級) 教師版
錐體建築師
兩位數除以一位數（二）
Discover Resources
例題6
繪製常數函數圖形(隨機出題)
簡易機率
圓周 (圖形D)
三角形內角和_2
P6 圓周03A
Discover Topics
Real Numbers
Triangles
Pythagoras or Pythagorean Theorem
Limits
Planes