Posted by Another opinion on October 25, 2002 at 13:10:00:
In Reply to: you already asked this on the other forum and it was answered correctly -nt- posted by T.Gracken on October 25, 2002 at 11:35:51:
: : Itīs 0 a natural number?
: : Thanks.
http://www.ejerciciosdematematicas.hpg.ig.com.br/algebrabasica/nfraccionarios/nfracc/herramientas.htm