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三角
Author:
朱宜萱
GeoGebra
New Resources
算柱 (兩位數)
柱體建築師
兩位數加法
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
Discover Resources
Relations Among Trigonometric Ratios 三角比的關係
遊戲與圖像
Congruent Triangles
包絡線
星星
椭圆的离心率
Discover Topics
Special Points
Probability
Incircle or Inscribed Circle
Division
Integers