divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb! O0 ]6 J: z2 B. _
weight any 2 sets.公仔箱論壇" [! m1 E. R0 E# w0 R% F
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。; c6 U, G% i# ~$ A8 Z+ v4 c
if one of the 2 is heavier, then the heavy one is in that set
" B0 v# A: b5 |! P% G公仔箱論壇then divide the 4 balls into 2.tvb now,tvbnow,bttvb# `: @$ D+ n4 I" s0 Q
weigh them
; T# o) Q6 z d3 t d( X$ n% Fos.tvboxnow.comand divide the heavier into 1+ z& F" g. B* I- L# t
and weight them.
% X- J. _9 o$ Y# D3 x weighing and get the ans. tvb now,tvbnow,bttvb( H% W3 M5 Y1 N1 F' R, d
in less than 15 secs. |