There are 9 seemingly identical coins - but although they look identical one is a counterfeit. The false coin is lighter then the others. Using a balance arm scale ONLY TWICE can you determine which is the false coin?
(sakla) When moving in a game you can choose which one will show up next by selecting the appropriate option in the list next to the submit button. (pauloaguia) (Bütün ipuçlarını göster)