1st trial - put 6 balls at each side .. take out the lighter 6 balls
0 Q- n. J) @# t( g6 u公仔箱論壇2nd trial - put the heavier 6 balls by 3 balls at each sideTVBNOW 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。. M/ z0 `, A9 E( S. m6 P: u4 I
lastly, take out the lighter 3 balls.... now left 3 balls..5.39.217.761 d7 ]" B5 p, s' H ]8 a7 a
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... |