1st trial - put 6 balls at each side .. take out the lighter 6 ballstvb now,tvbnow,bttvb2 i" W' T0 g1 a- C
2nd trial - put the heavier 6 balls by 3 balls at each side
. t8 k% H+ W- `# e& T5.39.217.77lastly, take out the lighter 3 balls.... now left 3 balls..
' ?$ m+ D/ n% B* [3 v! e1 o' KTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。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... |