Divide the 12 balls into 4 groups of 3's. + J* x7 |: C' \! Z3 wTVBNOW 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+ n1 T& V# X/ H3 q4 L
then weigh group 2 & 31 O; d0 D9 ?/ `+ O" N. B
If the results are Equal & Equal, it means the ball with the different weight is in group 4.$ |) x# D( L( j
If the results are Equal & Unequal, it means the ball is in group 3.( {2 q" R# }2 E% k! h, Z2 p
If the results are Unequal & Equal, it means the ball is in group 1. - E- I* h5 K2 s9 ~) ]$ X! `tvb now,tvbnow,bttvbIf the results are Unequal & Unequal, it means the ball is in group 2. I0 W5 O F) ]; u2 {( zos.tvboxnow.com 6 r* S( ]& N( jOnce you determine the group that contains the ball.公仔箱論壇& q5 ] N: U) C. f
Simply weigh two of the balls