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同心圓
Author:
柳淳珈
GeoGebra
New Resources
四邊形的特性
【案例】2018年全国1卷理科12题
找出對稱軸
兩組對邊相等的四邊形
兩位數除以一位數（一）
Discover Resources
動畫
椭圆的定义
等腰三角形
橢圓1-同心圓法
線的面化
Discover Topics
Similarity Transformation or Similarity
Intersection
Geometry
Exponent
Standard Deviation