1st trial - put 6 balls at each side .. take out the lighter 6 balls
% K! V: N' t' b2 tTVBNOW 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 sideTVBNOW 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。% W! Y& v/ n: J# k/ a
lastly, take out the lighter 3 balls.... now left 3 balls..os.tvboxnow.com8 c3 u) u) G, @6 C
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... |