Divide the 12 balls into 4 groups of 3's.5.39.217.77:8898$ M3 h7 M6 @: E* Y2 q
Weigh group 1 & 2
' I; i* |. E0 H/ i+ `then weigh group 2 & 3
7 ?; [) ?' C4 k4 H# qtvb now,tvbnow,bttvbIf the results are Equal & Equal, it means the ball with the different weight is in group 4.公仔箱論壇/ {8 B4 a1 S1 E8 k9 g& n& o; v2 n
If the results are Equal & Unequal, it means the ball is in group 3.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。& P! g3 |0 `9 M; h1 q& S, R1 S) E& ^
If the results are Unequal & Equal, it means the ball is in group 1.tvb now,tvbnow,bttvb8 d Z4 H/ w+ [
If the results are Unequal & Unequal, it means the ball is in group 2.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。) P6 _4 r: j# h; S( j. L: Q
tvb now,tvbnow,bttvb3 l- K! F6 y# f4 W- Z3 i
Once you determine the group that contains the ball.
' i9 ^. E4 o6 {! f. t) ZSimply weigh two of the balls |