1. 1st divide to half take the heavier out , c; p0 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)tvb now,tvbnow,bttvb: W2 U7 F& a& G) W, P& n& W! G
3. Same method if is not equal on 2nd try.