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矩形排成畢氏數(東興ㄚ杰)
Author:
鍾元杰
Topic:
Geometry
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等的四邊形
兩位數加法
【案例】2013年安徽高考15题
三位數除以一位數（二）
Discover Resources
方格紙上畫正方形1
testing
緯度、日照、影子長。
重心性質
正方形雪花图案
Discover Topics
Congruence
Ellipse
Circumcircle or Circumscribed Circle
Incircle or Inscribed Circle
Means