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小青蛙
Author:
彭宇辰
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
找出對稱軸
畫出對稱圖形
柱體建築師
Discover Resources
Quiz on Solving Right Triangles (Finding Angles) 解直角三角形：測驗2（求角度）
平面外積、有向面積、二階行列式
circle
靜態幾何錯視圖
圓面積示範
Discover Topics
Linear Programming or Linear Optimization
Similarity Transformation or Similarity
Dilation
Cube
Difference and Slope