Divide the 12 balls into 4 groups of 3's.( K [# Y9 ]+ V5 }/ W
Weigh group 1 & 2 ( [" Q% x N& N5.39.217.76then weigh group 2 & 3 3 f6 O0 k* I) g: z7 N8 ~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 & Equal, it means the ball with the different weight is in group 4.6 n1 t$ k/ F1 W7 T& V+ ?" F$ I) l! N
If the results are Equal & Unequal, it means the ball is in group 3. 2 r0 ]8 a$ e7 X4 `( ]: p0 D" ptvb now,tvbnow,bttvbIf the results are Unequal & Equal, it means the ball is in group 1. / U9 U4 x4 w! j* @' D5 ~, W8 W公仔箱論壇If the results are Unequal & Unequal, it means the ball is in group 2." h z1 z) e9 @) ?$ N
" v B+ O1 n2 m% U, [Once you determine the group that contains the ball.4 J) }, }9 Y. n1 B( g4 X/ C2 K
Simply weigh two of the balls