1st trial - put 6 balls at each side .. take out the lighter 6 balls公仔箱論壇4 h+ G, e9 N: n
2nd trial - put the heavier 6 balls by 3 balls at each side
# r" o% h' l5 Z4 ntvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..os.tvboxnow.com3 ^8 L' L) S( e0 Q! L) V6 B$ R' n
3rd trial - put 1 ball on each side, left 1 ball on table. if both sides balance, the ball on table is the heaviest. if one side on the scale is heavier then it is the heaviest... |