1. 1st divide to half take the heavier out/ k3 e# \. I, |! G0 k
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)
) l0 ?7 t" O5 Y) I: r& V% }tvb now,tvbnow,bttvb3. Same method if is not equal on 2nd try. |