this is too easy!!
+ h/ r u- B& _0 ?公仔箱論壇
5 ~: H3 Q7 B* h- Y2 q7 Ztvboxnow.com1. put 6 at each side.. take the one side which is heavier& h1 ]2 }# H6 f
2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb4 v' n, r% C7 _: _# f" q
3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |