1st trial - put 6 balls at each side .. take out the lighter 6 balls
$ Q. ~; a" |! p- }7 @TVBNOW 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。2nd trial - put the heavier 6 balls by 3 balls at each side& u7 R) H2 {6 k1 o1 L$ i) p! Q S
lastly, take out the lighter 3 balls.... now left 3 balls..
) j! o% G. F' r% U+ w) Htvb 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... |