1st trial - put 6 balls at each side .. take out the lighter 6 balls0 A9 u# h1 X; T& i, u
2nd trial - put the heavier 6 balls by 3 balls at each sideTVBNOW 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。. l3 ]' p4 X* j$ }8 o' R
lastly, take out the lighter 3 balls.... now left 3 balls..
: Q# G! K' H P5 B+ U! c: Ytvb 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... |