countig
Lagt inn: 02/05-2007 11:54
trenger litt hjelp med dette , kan noen hjelp meg her , takk på forhånd
In how many ways can a family of four (mother , father and tow children )be seated at a round table, with 8 other people, so that parents are seated next to each other and there is one child on a side of each parent ?
In how many ways can a family of four (mother , father and tow children )be seated at a round table, with 8 other people, so that parents are seated next to each other and there is one child on a side of each parent ?