1st trial - put 6 balls at each side .. take out the lighter 6 balls) A2 }, g) w6 m, a
2nd trial - put the heavier 6 balls by 3 balls at each side
9 i: y- ?+ w4 D: S8 F5 d, jTVBNOW 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../ ] G: a) v+ s# Y% `4 m% z' \
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... |