1st trial - put 6 balls at each side .. take out the lighter 6 balls
# N; g# i: e: Z5 F6 }tvb now,tvbnow,bttvb2nd trial - put the heavier 6 balls by 3 balls at each side/ w8 T* v% G" ^: [6 g
lastly, take out the lighter 3 balls.... now left 3 balls..tvb now,tvbnow,bttvb: h7 e, R! O$ F( H! }1 E$ G
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... |