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賺賠：例3的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
GeoGebra笔记功能体验课件
拼砌四邊形
第八周作业
兩組對邊相等的四邊形
四邊形的特性
Discover Resources
電子幾何條
圓和弦圓和弦
Similar triangles in a triangle
Example 2
恆等式
Discover Topics
Random Variables
Real Numbers
Stochastic Process or Random Process
Reflection
Confidence Interval