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1. 1st divide to half take the heavier out
4 Z' B! p/ J8 ]1 ^$ n4 L* I0 ?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)
9 {, E4 q8 Q) bTVBNOW 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。3. Same method if is not equal on 2nd try.
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