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長方形
Author:
Yin Kelvin Wong
GeoGebra
New Resources
四邊形的特性
拼砌四邊形
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
Discover Resources
平方數平方數
底數介於0到1之間指對數函數交點情形
perimeter
angle sum of triangle
ggb7黃金螺線
Discover Topics
Scalene Triangles
Terms
Piecewise Functions
Quadrilaterals
Incircle or Inscribed Circle