put 3 balls on each side,
: y. C8 G/ I0 r$ G1 S ~公仔箱論壇if balance, we can prove that all 6 balls on the 天平 is normal, 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。- q& {$ f. V# a8 [
if not balance, we can prove that the 6 balls outside the 天平 is normal.
, M+ S4 E" ~, ]tvb now,tvbnow,bttvbthen use the proved-normal ball on one side and put the other ball on other side www2.tvboxnow.com; p. T. f) i2 e* @ G
to determine the abnormal is heavy and light |