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畫三角形 題1d
Author:
GeoGebra Institute of Hong Kong
Topic:
Right Triangles
,
Triangles
GeoGebra
New Resources
圓的基本性質
平行線的斜率
比較五件物件的重量
直線的斜率
直線的斜率：水平變化 & 鉛垂變化
Discover Resources
百分數（小學）：折扣 / 賺賠
正四面體利用向量座標轉換展開圖
chuan-eBook
不規則形陰影作圖2
盾牌(小動畫)
Discover Topics
Centroid or Barycenter
Hypothesis Testing
Real Numbers
Volume
Translation