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直角三角形例题
Author:
风亦飞
Topic:
Triangles
GeoGebra
New Resources
四邊形的特性
算柱 (兩位數)
直角坐標平面上的旋轉變換
兩位數加法
兩位數除以一位數（一）
Discover Resources
t6 geobra
http://www.qsir.org/?p=8853
立方體的截平面
Regular Tetrahedron
P.5 面積問題04
Discover Topics
Right Triangles
Translation
Differential Calculus
Vectors
Centroid or Barycenter