1. 1st divide to half take the heavier out 8 F- N+ G0 d. M0 q& v/ l, @% d+ _/ w5.39.217.762. 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) 8 |9 e! \# t" x8 I& x7 H# d) ^: d) l公仔箱論壇3. Same method if is not equal on 2nd try.