1. 1st divide to half take the heavier out # L5 J4 R, E' \1 Z- i/ PTVBNOW 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)公仔箱論壇" i7 L6 V+ M3 G
3. Same method if is not equal on 2nd try.