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Angle Sum in a Triangle
Author:
ksarnoff
,
Koo Wing Yan
Topic:
Angles
Angle Sum in a Triangle
GeoGebra
New Resources
第八周作业
找出對稱軸
兩位數除以一位數（二）
兩組對邊相等的四邊形
兩位數加法
Discover Resources
相似形_Tasks_Collection
扇形柱(調整底面圓的分割數，柱高)
切割正立方體
圓在直線上滾動
河內塔 3D (Tower of Hanoi 3D)
Discover Topics
Real Numbers
Right Triangles
Rational Numbers
Plane Figures or Shapes
Integral Calculus