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三角形的内切圆与外接圆
Author:
夜雨嘀嗒
GeoGebra
New Resources
四邉形 (四年級) 教師版
三位數除以一位數(一)
畫出對稱圖形
判斷球體
三位數除以一位數(二)
Discover Resources
翰林B4習p85_10
軌跡觀察---兩圓上線段中點
sin的平移與伸縮
圓周公式應用題1的副本
轨迹最值问题
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Centroid or Barycenter
Area
Equilateral Triangles
Surface
Pythagoras or Pythagorean Theorem