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畫三角形 題1d
Author:
GeoGebra Institute of Hong Kong
Topic:
Right Triangles
,
Triangles
GeoGebra
New Resources
判斷球體
錐體建築師
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
異分母分數減法
Discover Resources
面積認識
圆锥侧面展开图
X and Y.
中華民國 ( 台灣 ) 國旗 National Flag of ROC ( Republic of China, Taiwan )
Circle
Discover Topics
Linear Functions
Geometry
Straight Lines
Mode
Circumcircle or Circumscribed Circle