1st trial - put 6 balls at each side .. take out the lighter 6 balls
& r v! ]2 N. ^8 b5 @0 d& s4 O2nd trial - put the heavier 6 balls by 3 balls at each side公仔箱論壇* v% ] p, O: f* d
lastly, take out the lighter 3 balls.... now left 3 balls..
5 |. G1 r; K6 B3 b# M8 X0 k3 tTVBNOW 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... |