1. 1st divide to half take the heavier out $ }& D- N/ x5 q+ ^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)TVBNOW 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 s5 s3 w' u2 t8 o: `# ~( \
3. Same method if is not equal on 2nd try.