1. 1st divide to half take the heavier out # l6 P- N% I7 z& e- I+ A( m5.39.217.772. 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) 3 u9 Z0 Z- z7 y4 [, L公仔箱論壇3. Same method if is not equal on 2nd try.