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盾牌
Author:
朱宜萱
盾牌
GeoGebra
New Resources
画直线等分三角形的面积
兩位數除以一位數（一）
拼砌四邊形
畫出對稱圖形
四邉形 (四年級) 教師版
Discover Resources
圓周 (圖形A)
斯霍滕(Schooten)定理(與角平分線定理等價)
彩色斜線區域1060325
拼貼11939
數線(最大值:1000)
Discover Topics
Incircle or Inscribed Circle
Scalene Triangles
Rhombus
Parallelogram
Statistical Characteristics