Divide the 12 balls into 4 groups of 3's.
5 v6 g) X4 Q3 q; ` j4 Y公仔箱論壇Weigh group 1 & 2www3.tvboxnow.com! [; D2 ^9 d/ ~
then weigh group 2 & 3
. F- F& e2 b7 KIf the results are Equal & Equal, it means the ball with the different weight is in group 4.
1 F7 F; R. y* n% _. htvb now,tvbnow,bttvbIf the results are Equal & Unequal, it means the ball is in group 3.
. `$ K+ ^5 G/ @, D" D! E4 H公仔箱論壇If the results are Unequal & Equal, it means the ball is in group 1.
' R8 a& |' K$ Z% h1 m; ZTVBNOW 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 Unequal & Unequal, it means the ball is in group 2.公仔箱論壇# {0 |9 f; i# R1 f- n' ^9 q2 F
# S' K; {6 o' ^- M& X% @$ V) IOnce you determine the group that contains the ball.
% x6 S, {1 ]; n, ]tvb now,tvbnow,bttvbSimply weigh two of the balls |