1st trial - put 6 balls at each side .. take out the lighter 6 balls
0 i" Z% b) v/ q* j& A& 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。2nd trial - put the heavier 6 balls by 3 balls at each side5.39.217.76, Y2 S) J0 {2 s( } j
lastly, take out the lighter 3 balls.... now left 3 balls..
" w+ p& O3 B1 K( R" o% R( 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... |