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分線比值
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
四邊形的特性
找出對稱軸
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
兩位數加法
Discover Resources
conjugate
心型線
包絡線1
angle sum of polygon
最佳解
Discover Topics
Statistical Characteristics
Sequences and Series
Tree Diagrams
Logarithm
Centroid or Barycenter