1st trial - put 6 balls at each side .. take out the lighter 6 balls" u$ o% a5 [ ]6 T. h# [) }) O# K
2nd trial - put the heavier 6 balls by 3 balls at each side3 T5 B+ N$ C, h1 \; `/ e
lastly, take out the lighter 3 balls.... now left 3 balls..
. p5 L" s( v, P. x, [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。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... |