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梯形有甚麼特性？
Author:
Anthony OR 柯志明
English version:
http://ggbtu.be/m79855
GeoGebra
New Resources
柱體建築師
判斷球體
GeoGebra笔记功能体验课件
畫出對稱圖形
兩組對邊相等和有直角的四邊形
Discover Resources
Symmetric設計對稱圖案(一條對稱軸)斜1
Angle in Alternate Segment 2
複合棒形圖
地球各緯度的晝長夜長
Quiz on Addition and Subtraction of Directed Numbers (2)
Discover Topics
Rhombus
Random Experiments
Equilateral Triangles
Geometric Mean
Frequency Distribution