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Stoplight
作者：
Carlota
Traffic light also controls pedestrian traffic. Click on bottom left and look closely.
GeoGebra
最新資源
apec
Hyperbolic Paraboloid
Cartesian vs Polar
רישום חופשי
Random Polar Curve (3)
探索資源
Medieval Archer
locus1
Exterior Angle Theorem
science
선분의 수직 이등분 선 상의 점으로부터 선분의 양 끝점까지의 거리는 같다.(Given a line segment, distances from a point on the perpendicular bisector to the each end point of the line segment are same.)
探索主題
特殊點
角錐
Pythagoras or Pythagorean Theorem
減法
3D 向量（三維）