anakmalas

this is too easy!!
! r/ r& W6 e: g& G3 S2 j6 C公仔箱論壇
' h1 h1 T+ g2 W4 B0 Y5 S  B公仔箱論壇1. put 6 at each side.. take the one side which is heavier5.39.217.779 x$ u! h3 y" v* U& b2 D/ |6 ?
2. put 3 at each side.. also take the heavier side) l  J+ ]1 z& M/ |& }4 W0 `9 G4 I
3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball..