1st trial - put 6 balls at each side .. take out the lighter 6 balls S9 a/ a( f7 U/ z0 w
2nd trial - put the heavier 6 balls by 3 balls at each side
% Y; M9 b" v5 h$ Y& qTVBNOW 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。lastly, take out the lighter 3 balls.... now left 3 balls..
: K! N$ u5 A( ^: e5 eTVBNOW 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... |