divde the 12 balls into 3 sets of 4.
, z- @& l/ v- o5 W! P( D& U% Tweight any 2 sets.tvboxnow.com. o7 n4 M0 C, [
if the 2 sets are equal, then you know the heavy one is in the thirdtvboxnow.com1 ]3 B# D4 p# ^( m* G F
if one of the 2 is heavier, then the heavy one is in that set/ b" z3 v* I# Q3 d
then divide the 4 balls into 2.
: D- F$ }& a+ F$ i2 W0 d w6 nweigh them
# A7 _, c$ G% x% f/ ~tvboxnow.comand divide the heavier into 1
; r0 V6 }# n* C0 m/ o+ Btvboxnow.comand weight them.
4 q; z3 s( H7 E. `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。3 x weighing and get the ans. $ h) S8 ~& Z* V# A7 S- _+ @
in less than 15 secs. |