1st trial - put 6 balls at each side .. take out the lighter 6 balls+ B s3 v* Q7 j; G! \( Q
2nd trial - put the heavier 6 balls by 3 balls at each side: O8 y% s: V* b9 D6 ?% P, f
lastly, take out the lighter 3 balls.... now left 3 balls..
4 i# n2 I# {, @7 P7 ^& k) 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... |