1. 1st divide to half take the heavier outtvb now,tvbnow,bttvb C3 K* x) m+ Q( C
2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for)公仔箱論壇; e! F$ S9 b) C. W) Z$ l. }5 B" E% K
3. Same method if is not equal on 2nd try.