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中心对称图形
Author:
宋晓燕
GeoGebra
New Resources
找出對稱軸
異分母分數減法
四邊形的特性
三位數除以一位數(一)
近似值:有效數字
Discover Resources
畫三角形 題2d
circle
(001)80102史巧薇
正n邊形
earth
Discover Topics
Angles
Similarity Transformation or Similarity
Arithmetic Mean
Secant Line or Secant
Polygons