Divide the 12 balls into 4 groups of 3's.
1 a) X+ c( t* K* [5 |% ^os.tvboxnow.comWeigh group 1 & 2TVBNOW 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 O: W5 m' |6 ]$ W5 t
then weigh group 2 & 3
& g9 q2 J( M8 b+ Stvb now,tvbnow,bttvbIf the results are Equal & Equal, it means the ball with the different weight is in group 4.
. o q A T! ?& `- L% Q/ dIf the results are Equal & Unequal, it means the ball is in group 3.
, ] w' W; ^ O+ r( Z* k& G2 r; QIf the results are Unequal & Equal, it means the ball is in group 1.
8 h: R! y8 I" K5 Ctvb now,tvbnow,bttvbIf the results are Unequal & Unequal, it means the ball is in group 2.
) K8 G/ r$ ~; m2 r( E. sTVBNOW 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。- h% D- U) |3 C/ A# ` e# J
Once you determine the group that contains the ball.
H( H4 ]+ A) j0 P, K; Nos.tvboxnow.comSimply weigh two of the balls |