1. 1st divide to half take the heavier out . b6 {7 J/ Q( H$ \: X6 I8 dTVBNOW 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。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) * ^% z7 M, d( I# n7 \' S3 c公仔箱論壇3. Same method if is not equal on 2nd try.