divde the 12 balls into 3 sets of 4.
+ Q0 H1 O, x8 [( o8 I Y- A! RTVBNOW 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。weight any 2 sets.
$ r4 j- B) f" a2 [9 BTVBNOW 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 2 sets are equal, then you know the heavy one is in the thirdTVBNOW 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。; s1 D5 y( m$ b% r- J
if one of the 2 is heavier, then the heavy one is in that set5.39.217.77:88986 K0 M6 V1 m$ ]6 Z" Q( [: l8 A
then divide the 4 balls into 2.tvb now,tvbnow,bttvb8 P. u2 f+ ]0 Q5 B" K9 K1 _
weigh them6 r; k' X& n! y+ \0 z
and divide the heavier into 15.39.217.77:8898+ g/ v# d; ^) m: H2 j5 \: s6 U
and weight them.公仔箱論壇6 y; n+ a! Y; N; S7 T) U
3 x weighing and get the ans.
3 I" s) b2 ~9 d/ q; ITVBNOW 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。in less than 15 secs. |