1st trial - put 6 balls at each side .. take out the lighter 6 balls
! ]$ }, n! ~* D4 wTVBNOW 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 sidetvb now,tvbnow,bttvb. X, q3 t/ C' w6 X" F* G9 J a
lastly, take out the lighter 3 balls.... now left 3 balls..
) z3 P' y# x' k公仔箱論壇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... |