1st trial - put 6 balls at each side .. take out the lighter 6 balls
' n9 b5 m1 p! W/ r- [2nd trial - put the heavier 6 balls by 3 balls at each side
! G0 k+ h! _- f3 f& Ntvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..
" _4 }, b6 Q/ Q4 C" k) q3rd 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... |