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Uploaded by arodriga10 on Aug 12, 2009
Numeros naturales. Multiplicacion a la rusa.Alfredo Rodrigalvarez RebolloC.P. "San Francisco". Cifuentes.Matematicas 6º.http://www.jccm.es/edu/cp/cifuentes/mates/MAPAMAT.htmlColabora CRAER de Sigüenza.Aula en casa.
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