Divide the 12 balls into 4 groups of 3's. 8 C. |% P5 D1 q- P x! X! DWeigh group 1 & 2 / U' V9 W" o0 b) H7 d3 Dtvb now,tvbnow,bttvbthen weigh group 2 & 3TVBNOW 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。+ ]* \9 y4 q1 s
If the results are Equal & Equal, it means the ball with the different weight is in group 4.# N* A; l7 a+ A
If the results are Equal & Unequal, it means the ball is in group 3.公仔箱論壇" t3 z7 ]1 s+ S; h- e% r
If the results are Unequal & Equal, it means the ball is in group 1.公仔箱論壇1 s. L9 V! z: F7 S8 O% f( ^- R
If the results are Unequal & Unequal, it means the ball is in group 2. 7 r& s f( k) c: c1 U4 O9 d: C; S5 `5 r' Z6 Y. B- e6 a/ B
Once you determine the group that contains the ball. 8 [ r' X# |& RSimply weigh two of the balls