put 3 balls on each side,
/ {0 L* C* T3 ios.tvboxnow.comif 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。+ _/ m5 M( l( c) |5 P3 q" o
if not balance, we can prove that the 6 balls outside the 天平 is normal.
) @& O& a( Z# t3 Y! M$ ^% dtvb now,tvbnow,bttvbthen use the proved-normal ball on one side and put the other ball on other side $ p4 `. p6 z: _ `2 R8 U" y
to determine the abnormal is heavy and light |