divde the 12 balls into 3 sets of 4.
6 y- ^' ]! B3 _: r7 i7 H2 d0 Sweight any 2 sets.
8 l/ k1 r! n9 T% h" UTVBNOW 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
/ I( K9 f1 M6 B" S% I6 Xif one of the 2 is heavier, then the heavy one is in that set
0 n9 ~; f4 L6 Q- g. M3 |! gwww2.tvboxnow.comthen divide the 4 balls into 2.& [. f F& K) ~0 v6 M7 y
weigh them
5 z, C' N5 h- v0 x- `and divide the heavier into 1
W4 ?& i0 @6 u# _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。and weight them.
! z5 q. Z8 o; f% O" ^www2.tvboxnow.com3 x weighing and get the ans.
0 |2 w9 n4 P0 A' lTVBNOW 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. |