put 3 balls on each side,
8 l4 t9 m& w" N ^if balance, we can prove that all 6 balls on the 天平 is normal,
: H2 W% X( z7 x. }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。if not balance, we can prove that the 6 balls outside the 天平 is normal.5.39.217.77:8898( [3 M6 z& F3 H, e1 }. Q- P
then use the proved-normal ball on one side and put the other ball on other side
0 W1 i( ]/ ` M4 {' E/ @5.39.217.77:8898to determine the abnormal is heavy and light |