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Golden March
Author:
John Golden
From a Futility Closet puzzling observation.
http://bit.ly/1hzXw5G
GeoGebra
New Resources
Monkey typing Shakespeare's complete works
Lorenz Attractor: Multiple particles
What is an Isogonal Conjugate?
Open Middle Logarithm Exercises (1)
探究由平行線和截線所成的角
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triangle
Graphing Exponential Functions
Cut-The-Knot Action 10!
никак
triangle inequality
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Statistics
Congruence
Normal Distribution
Optimization Problems
Probability