put 3 balls on each side,
- g3 t0 i" M/ e! f, f; p* \) Cif balance, we can prove that all 6 balls on the 天平 is normal,
0 h: c+ S( C. s0 ctvb now,tvbnow,bttvbif not balance, we can prove that the 6 balls outside the 天平 is normal.
3 x) Q7 Q- u5 dwww3.tvboxnow.comthen use the proved-normal ball on one side and put the other ball on other side
+ T% F! T5 n( L$ uto determine the abnormal is heavy and light |