Divide the 12 balls into 4 groups of 3's. 1 F9 O. j7 s* rWeigh group 1 & 2 5 w; L8 a* t# B: H$ ~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。then weigh group 2 & 3) e0 i& X% O. e( i
If the results are Equal & Equal, it means the ball with the different weight is in group 4. 4 g5 q& _+ `; l( U公仔箱論壇If the results are Equal & Unequal, it means the ball is in group 3. + Y2 M7 A8 w* S; UIf the results are Unequal & Equal, it means the ball is in group 1.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。5 g4 e( I9 L% v* ~
If the results are Unequal & Unequal, it means the ball is in group 2. 9 s* i6 J+ H0 ]% \( E ^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。tvb now,tvbnow,bttvb$ P8 f. r0 f+ b" ?- q
Once you determine the group that contains the ball.. h$ N0 ^% w/ ]- |9 y
Simply weigh two of the balls