anakmalas

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% ^* E8 U2 d/ l1. put 6 at each side.. take the one side which is heavier
* i3 ?0 q* u0 O* v公仔箱論壇2. put 3 at each side.. also take the heavier side
6 d  y- L5 A  a  Q# C; Y$ K) z8 a5.39.217.773. 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..