1. 1st divide to half take the heavier out + r# G# H3 x! v1 N7 V9 q/ `5.39.217.77:88982. 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)公仔箱論壇! F6 N0 y6 K: s
3. Same method if is not equal on 2nd try.