1. 1st divide to half take the heavier out 7 T6 K5 p: ^: aTVBNOW 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) 4 Q, T8 q9 o4 s S% Eos.tvboxnow.com3. Same method if is not equal on 2nd try.