1. 1st divide to half take the heavier out& G$ B- [! A. d+ V) i
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)8 N( V% Y5 c: I/ d* Q3 n1 b
3. Same method if is not equal on 2nd try.