jexmand

1st trial - put 6 balls at each side .. take out the lighter 6 balls
/ p3 I2 @, T/ w4 Z2nd 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。5 b, p7 I; r' ?. S
lastly, take out the lighter 3 balls.... now left 3 balls..tvb now,tvbnow,bttvb' M1 S4 J, V% p* J' T- B/ F4 y
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...