1st trial - put 6 balls at each side .. take out the lighter 6 balls
: m, k1 J: \5 x0 r2nd trial - put the heavier 6 balls by 3 balls at each side# {$ [& Q- E2 \5 _0 q; r$ P
lastly, take out the lighter 3 balls.... now left 3 balls..
$ s% i0 B& Z d- S4 [/ Y2 l9 U9 W5.39.217.77:88983rd 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... |