Divide the 12 balls into 4 groups of 3's. - {2 D0 A! g7 b [# ETVBNOW 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 & 25.39.217.77( g4 H7 ]8 E, u: r
then weigh group 2 & 3公仔箱論壇 }' J: d- ?3 {2 i4 [$ a7 M
If the results are Equal & Equal, it means the ball with the different weight is in group 4. : t5 j, r5 |3 j. `: |5 T& ?5.39.217.77If the results are Equal & Unequal, it means the ball is in group 3. $ \3 m. d1 F6 N+ ]8 W' X5 C2 nIf the results are Unequal & Equal, it means the ball is in group 1. ) j1 V( ?5 c0 I& @. h6 y/ G+ ~5.39.217.77If the results are Unequal & Unequal, it means the ball is in group 2. # h6 ~/ I; V# b) U/ X2 z, H ' G4 X9 }( k* D$ |( m: | MOnce you determine the group that contains the ball.( {0 A/ f# f0 F: y$ A3 P9 v
Simply weigh two of the balls