1. 1st divide to half take the heavier outTVBNOW 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。; q- q e# c* V/ _+ l9 L7 H9 g
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) % z( F# c4 E9 p3 ^, y% ~9 I3 YTVBNOW 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.