divde the 12 balls into 3 sets of 4. 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。; b0 o/ K2 a* n* x
weight any 2 sets.
$ I. q- E2 ]' Y1 q% w3 A3 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 2 sets are equal, then you know the heavy one is in the third
- L( x* b4 s. S1 f# w2 Z* I6 X2 jif one of the 2 is heavier, then the heavy one is in that setTVBNOW 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。$ T5 |: X$ v3 [1 `( r
then divide the 4 balls into 2.
7 i# H, Q# ?1 M2 X: kweigh them$ l4 p* c @% B. A- F8 |
and divide the heavier into 1
/ |- d$ |8 R" A; ]" R" \& qTVBNOW 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。and weight them.
, F( S' ]$ ]/ wtvb now,tvbnow,bttvb3 x weighing and get the ans. 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。) ?$ B3 }9 i' o7 d& n! J+ B+ S
in less than 15 secs. |