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兩數相加
Author:
李俊賢
藉由數線來表示正負數的相加
GeoGebra
New Resources
立体几何-公理3及推论
Hypocycloids
רישום חופשי
bewijs stelling van Pythagoras
Untitled
Discover Resources
Transformations with an Absolute Value Function
Problem Set 5-Geometry
同分母分數加法
Krueger_H5
Discover Topics
Circumcircle or Circumscribed Circle
Vectors 3D (Three-Dimensional)
Translation
Geometric Transformations
Linear Equations