this is too easy!!7 Z( L6 {' f* d/ a: A8 L
3 h. n0 \1 y! H }/ z0 F, e1. put 6 at each side.. take the one side which is heavier
0 Z" l% z. h$ d; [" l" _5 m! mtvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side
4 \; r* ~6 x0 ?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. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |