1st trial - put 6 balls at each side .. take out the lighter 6 balls5.39.217.76: u6 p3 c* {& E
2nd trial - put the heavier 6 balls by 3 balls at each side
" Y+ B- J; ]* J6 i: B; z8 i5.39.217.76lastly, take out the lighter 3 balls.... now left 3 balls..
' ]/ O% K, Z9 o0 h3rd 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... |