1. 1st divide to half take the heavier out
. ^% T3 U) d& P, x6 H% P& H2. 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)
( E2 m6 N7 {9 Q8 B) Z p' atvb now,tvbnow,bttvb3. Same method if is not equal on 2nd try. |