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Author:
谭伟
GeoGebra
New Resources
第八周作业
四邊形的特性
算柱 (兩位數)
近似值：有效數字
GeoGebra笔记功能体验课件
Discover Resources
過圓內一點最短弦
三角函數
認識函數(表格形式隨機出題)
物件的平移概念
椭圆的定义的副本
三角形的心
Discover Topics
Percentages
Geometric Mean
Algebra
Pythagoras or Pythagorean Theorem
Right Triangles