1st trial - put 6 balls at each side .. take out the lighter 6 ballsTVBNOW 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。' g! A7 B/ I" V9 q
2nd trial - put the heavier 6 balls by 3 balls at each sidetvb now,tvbnow,bttvb$ I: L1 I G0 z* Q0 z
lastly, take out the lighter 3 balls.... now left 3 balls... T; o( c4 |% B# c- e3 b) B
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... |