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內切圓滾動更新
Author:
李春培
內切圓滾動更新
GeoGebra
New Resources
三位數除以一位數（一）
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
柱體建築師
近似值：有效數字
Discover Resources
三角函數
認識函數(表格形式隨機出題)
Effects on Dispersion
串珠
硬幣繞多邊形面積
碎形三角形
Discover Topics
Median Value
Constructions
Centroid or Barycenter
Sine
Unit Circle