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三角形三边关系探究
Author:
fei zhao
Topic:
Triangles
分辨率1280x720
GeoGebra
2020年7月
New Resources
畫出對稱圖形
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
找出對稱軸
兩位數除以一位數（一）
Discover Resources
簡易畢氏訂裡面積分割證明法
Centroid
ex 3
徐峻彥's GGB book
垂心問題
Discover Topics
Sequences and Series
Incircle or Inscribed Circle
Geometry
Vectors 3D (Three-Dimensional)
Piecewise Functions