1. 1st divide to half take the heavier out - ~4 G8 o$ j) i9 F公仔箱論壇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) + t+ u, j8 o4 Ptvboxnow.com3. Same method if is not equal on 2nd try.