Happy new year to all of you!
lunes, 27 de diciembre de 2010
My Christmas tree
This is my mathematical Christmas tree, I expect you like it.
Happy new year to all of you!
Happy new year to all of you!
viernes, 3 de diciembre de 2010
An amazing division
Do you know that 25 divided by 5 equals 14? Watch this video, learn it and enjoy yourself.
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