1st trial - put 6 balls at each side .. take out the lighter 6 balls
5 w) J, ` Z" m+ ?5.39.217.762nd trial - put the heavier 6 balls by 3 balls at each side5.39.217.76# v7 w/ F! s! ~+ `# y3 K
lastly, take out the lighter 3 balls.... now left 3 balls..TVBNOW 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。* C* g6 N! j! L0 S/ ~
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... |