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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
錐體建築師
兩位數加法
球體建築師
第八周作业
GeoGebra笔记功能体验课件
Discover Resources
JS 測試檔
gjh-g05-01 平方差公式
正n凸多邊形旋轉對稱/反射對稱
第14題
蝴蝶定理(唐老师的课程)
Discover Topics
Cone
Quadrilaterals
Cylinder
Circumcircle or Circumscribed Circle
Orthocenter