Monday, 28 February 2011

World Maths Day 2011 Monda Matematika Tago 2011



Hodiaux estas Monda Matematika Tago.
Milionoj da infanoj en la tuta mondo partoprenas.





Today is World Maths Day.
Millions of children throughout the world are taking part.

http://www.worldmathday.com/

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