1st trial - put 6 balls at each side .. take out the lighter 6 ballsTVBNOW 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。) Z, A4 F8 S. T5 h5 p
2nd trial - put the heavier 6 balls by 3 balls at each side! M* F( r& [) b2 j* k' w7 T9 k
lastly, take out the lighter 3 balls.... now left 3 balls..
" K6 l& q% {, m2 c e. M: k3rd 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... |