1. 1st divide to half take the heavier outtvb now,tvbnow,bttvb- D5 K6 Y$ _/ m
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) w2 a) p/ H. c& \1 p公仔箱論壇3. Same method if is not equal on 2nd try.