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餘弦定理修正項及風車證明
Author:
薛鈞聰
GeoGebra
New Resources
判斷球體
球體建築師
兩位數除以一位數（一）
畫出對稱圖形
兩組對邊相等的四邊形
Discover Resources
Floor plan area
三個交點
直線排列 4
天水圍循道衛理小學 GeoGebra 幾何創作室 第 1 節
Q3-12
Discover Topics
Similarity Transformation or Similarity
Scatter Plot
Perimeter
Pyramid
Standard Deviation