1. 1st divide to half take the heavier out $ w- c5 O3 O& K3 `6 T/ v2. 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) d% C+ ?' Y p7 q8 D- |( r
3. Same method if is not equal on 2nd try.