klleung72781

Divide the 12 balls into 4 groups of 3's.
# L' u/ i, |$ ~1 |4 ~2 aTVBNOW 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
" c( H7 p3 R# |! T公仔箱論壇then weigh group 2 & 3
0 ^) D6 G' q) O, g" N8 BIf the results are Equal & Equal, it means the ball with the different weight is in group 4.
7 F1 ~! \5 B% ]" B0 y4 n0 stvb now,tvbnow,bttvbIf the results are Equal & Unequal, it means the ball is in group 3.9 g( x. D) p* o
If the results are Unequal & Equal, it means the ball is in group 1.; W! ]9 _; E6 B% ?
If the results are Unequal & Unequal, it means the ball is in group 2.
$ |" @- t9 ~% \) B. x/ C# [! D8 ?5.39.217.76
- t6 x" @' o' G% K% E+ P5 d5.39.217.76Once you determine the group that contains the ball.
/ O, \1 F$ h+ q- k8 OSimply weigh two of the balls