put 3 balls on each side,
. y6 R9 c1 I& u, X# L9 P$ }tvb now,tvbnow,bttvbif balance, we can prove that all 6 balls on the 天平 is normal, tvb now,tvbnow,bttvb; Z8 e- ^0 L& R
if not balance, we can prove that the 6 balls outside 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。1 f7 M) t2 [$ Q/ h/ n. S' T0 t' |2 [
then use the proved-normal ball on one side and put the other ball on other side tvb now,tvbnow,bttvb! r8 w' D+ x7 z$ T. j/ k4 j
to determine the abnormal is heavy and light |