1. 1st divide to half take the heavier out" l, j# L; p7 Y6 x
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)tvb now,tvbnow,bttvb2 u+ y! T, a. v
3. Same method if is not equal on 2nd try.