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www.rinconmatematico.com
www.fisicanet.com
www.acertijos.net
www.ejercitando.com.ar
espero q alguno te sirva..

2006-12-03 11:00:43 · answer #1 · answered by :) 2 · 0 0

aqui

2006-12-05 05:42:57 · answer #2 · answered by panchito85 2 · 0 0

aqui seguro encontraras lo que buscas:
http://descartes.cnice.mecd.es/indice_ud.php.htm

Suerte!!!

2006-12-03 11:56:41 · answer #3 · answered by maryne 7 · 0 0

www.tareasya.com atte: solo si t gustan.......

2006-12-03 10:12:34 · answer #4 · answered by Carmen L 2 · 0 0

Hacelos vos!

2006-12-03 10:12:45 · answer #5 · answered by Anonymous · 0 1

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