anakmalas

this is too easy!!+ a/ u; x0 e; p6 j& }! g
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1. put 6 at each side.. take the one side which is heavier
7 f& j0 m- Z- n( F* Y# @2. put 3 at each side.. also take the heavier sideTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。  Y) I! n+ \( ~5 J% n1 h
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..