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任務3
Author:
gklwong
Topic:
Triangles
GeoGebra
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四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
兩位數加法
直角坐標平面上的旋轉變換
Discover Resources
擴分和約分
擺線
Choose the most suitable 'improvised units'(中間人)
laptop height
作垂线或平行线
Discover Topics
Difference and Slope
Orthocenter
Special Points
Random Variables
Natural Numbers