El blog de Alberto
martes, 22 de febrero de 2011
HOW MANY?
A boy has as many sisters as brothers, but each sister has only half as many sisters as brothers. How many brothers and sisters are there in the family?
No hay comentarios:
Publicar un comentario
Entrada más reciente
Entrada antigua
Inicio
Suscribirse a:
Enviar comentarios (Atom)
No hay comentarios:
Publicar un comentario