Divide the 12 balls into 4 groups of 3's. ! D T/ E. I) k2 C1 f1 _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。Weigh group 1 & 2公仔箱論壇; w; M! _4 g( {
then weigh group 2 & 35.39.217.767 _% D0 o6 C& D
If the results are Equal & Equal, it means the ball with the different weight is in group 4. ! D9 Q5 w! h3 p5.39.217.76If the results are Equal & Unequal, it means the ball is in group 3. 4 W I7 j6 O9 I& nTVBNOW 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 Unequal & Equal, it means the ball is in group 1. 3 O" a1 g: m" Q( q" u$ [3 X9 b- l公仔箱論壇If the results are Unequal & Unequal, it means the ball is in group 2.公仔箱論壇0 V2 {$ A1 A- S. x6 Y. x
4 [ P L | H0 l+ _
Once you determine the group that contains the ball. ! y/ ~- h. e7 y% \# S' \9 uSimply weigh two of the balls