1st trial - put 6 balls at each side .. take out the lighter 6 balls
* t* g/ V' C5 ztvb now,tvbnow,bttvb2nd trial - put the heavier 6 balls by 3 balls at each side
3 r# r& q5 i1 j0 }4 j- \5.39.217.76lastly, take out the lighter 3 balls.... now left 3 balls..tvb now,tvbnow,bttvb% W1 Y) @2 X8 {6 \; Q7 ?9 z# r
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... |