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圖二 的複本
Author:
Michael Ma
,
GeoGebra Institute of Hong Kong
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
第八周作业
錐體建築師
四邊形的特性
Discover Resources
一次函數的平移(基本)
九點圓
play tennis
Geometric Circle
Kopia soccer
Discover Topics
Trapezoid
Orthocenter
Multiplication
Addition
Optimization Problems