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。) l2 N6 Q% \5 b! v2 A7 N, Q
2nd trial - put the heavier 6 balls by 3 balls at each side公仔箱論壇 I$ h; a& F" D* H" A0 [
lastly, take out the lighter 3 balls.... now left 3 balls..' O/ E! L5 A" x
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... |