1st trial - put 6 balls at each side .. take out the lighter 6 balls公仔箱論壇4 a$ x. v2 b: Y
2nd trial - put the heavier 6 balls by 3 balls at each side
/ Y0 F4 v1 x; J+ k' E, ^' WTVBNOW 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..
9 u0 l8 w+ m) j7 aTVBNOW 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... |