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四邊形ADFE的面積是多少？
Author:
hjyanghj
Topic:
Geometry
GeoGebra
New Resources
錐體建築師
兩位數除以一位數（一）
GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
Discover Resources
垂直線的斜率關係
近似值：小數位及有效數字
教學－棱柱摺紙樣式
F1_Ch11.4_判定相似三角形
畢氏定理
Discover Topics
Histogram
Inequalities
Prism
Planes
Function Graph