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平行四邊形面積
Author:
lkkbmaths teachers 檔案儲存用
Topic:
Area
,
Parallelogram
GeoGebra
New Resources
圓的切線方程
圓周公式的應用
【案例】2013年安徽高考15题
多邊形的面積
兩位數加法
Discover Resources
folding aeroplane
空間坐標
Test1
错觉多边形
直线过定点问题(1)
Discover Topics
Centroid or Barycenter
Root
Sequences and Series
Real Numbers
Geometric Mean