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四邊形ADFE的面積是多少？
Author:
hjyanghj
Topic:
Geometry
GeoGebra
New Resources
兩位數加法
球體建築師
【案例】2018年全国1卷理科12题
異分母分數減法
兩組對邊相等的四邊形
Discover Resources
指數函數的圖形(2)
Apollonius Problem 10 CCC poncelet
相同圖形的拼砌（梯形）
圓與三角形中點的軌跡
parmater
Discover Topics
Prism
Special Points
Ratios
Hyperbola
Trigonometric Functions