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菱形有甚麼特性?
Author:
Anthony OR 柯志明
English version:
http://ggbtu.be/m79847
GeoGebra
New Resources
找出對稱軸
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
湖南省张毅郴数字教研工作室 logo
Discover Resources
相切的三圓
No.5
规律点问题的动态演示-案例一
勾股定理(几何原本)的副本
玖数小学数学(思维拓展)
Discover Topics
Histogram
Poisson Distribution
Rhombus
Functions
Trigonometry