1st trial - put 6 balls at each side .. take out the lighter 6 balls5.39.217.77:88980 L2 _( R& \; G0 e* k; L
2nd trial - put the heavier 6 balls by 3 balls at each side# w `! w4 i r6 W, D
lastly, take out the lighter 3 balls.... now left 3 balls..5.39.217.77:8898% Z( s- [. ?: S
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... |