1st trial - put 6 balls at each side .. take out the lighter 6 balls
: l# u" I, H4 R' O9 @公仔箱論壇2nd trial - put the heavier 6 balls by 3 balls at each side5.39.217.76) O) ^- T$ l3 U6 V3 O; r
lastly, take out the lighter 3 balls.... now left 3 balls..
- o+ d2 W7 z* d* ?+ T( ^" D. f4 _+ P q, Ntvb now,tvbnow,bttvb3rd 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... |