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畫三角形 題1f
Author:
GeoGebra Institute of Hong Kong
Topic:
Right Triangles
,
Triangles
GeoGebra
New Resources
圓的切線方程
盈利與虧蝕
平行線的判定
活动三：应用性质
中华人民共和国国旗
Discover Resources
給三角形求正三角形
circle
Center_Circle_Solution
perimeter of rectangle
數線_小數的認識
Discover Topics
Numbers
Integral Calculus
Ratios
Arithmetic Mean
Median Line