Divide the 12 balls into 4 groups of 3's.( ]/ B. e4 J+ c- [# {; O: C
Weigh 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。0 z7 Z! V9 l7 G( A( \9 y
then weigh group 2 & 3www2.tvboxnow.com$ J9 I3 X$ i4 S4 ?$ `7 P, h" W" s
If the results are Equal & Equal, it means the ball with the different weight is in group 4. 1 c v2 v( o' c0 l$ \公仔箱論壇If the results are Equal & Unequal, it means the ball is in group 3. ) k! R. Z/ E" j0 a4 S. pIf the results are Unequal & Equal, it means the ball is in group 1. 8 Z3 l" e% O0 g8 w! Zwww2.tvboxnow.comIf the results are Unequal & Unequal, it means the ball is in group 2. H g# U6 @8 b- F' Y& h- ]( h( mTVBNOW 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。 * x& j& F; A. L( Xtvb now,tvbnow,bttvbOnce you determine the group that contains the ball.公仔箱論壇5 u' |: O% G7 F3 h. u* d* c0 S
Simply weigh two of the balls