this is too easy!!- X) z, K# G' Q
1 T- u* ^8 e* o( i. |公仔箱論壇1. put 6 at each side.. take the one side which is heavier
# w( a) C1 G/ g/ Gtvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side) G0 U+ U, _6 Z4 z7 d
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.. |