Divide the 12 balls into 4 groups of 3's.5 U+ z' \7 n0 w5 b g, w
Weigh group 1 & 2公仔箱論壇* y/ J( L/ B0 k3 x% G1 n# G! e7 X4 E
then weigh group 2 & 3' l( ]4 R* I6 y) [
If the results are Equal & Equal, it means the ball with the different weight is in group 4.
! t* F* w# x2 m8 r/ ?" _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。If the results are Equal & Unequal, it means the ball is in group 3.
" u$ T+ U8 a2 s, r$ {If the results are Unequal & Equal, it means the ball is in group 1.tvb now,tvbnow,bttvb( J+ ^) R! }; [( ]. n8 _
If the results are Unequal & Unequal, it means the ball is in group 2.
8 P% N; l) X( h4 s2 p" a2 dTVBNOW 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。
. y, m. p* ]2 g, A4 c9 ltvb now,tvbnow,bttvbOnce you determine the group that contains the ball.
* q0 g7 @# C+ [7 L( X7 YSimply weigh two of the balls |