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。6 }- y# z. Y- _: t4 q& X$ j
weight any 2 sets.
; B4 i& E# R, B6 ]: Pif the 2 sets are equal, then you know the heavy one is in the thirdtvboxnow.com" u+ d9 }; e2 a! M; w
if one of the 2 is heavier, then the heavy one is in that set
8 _1 {$ b! Y6 X+ i6 q8 ltvboxnow.comthen divide the 4 balls into 2.
& k% R' g- T# P6 `) ztvboxnow.comweigh them
m6 \ B9 B7 ^, T9 R& s- \and divide the heavier into 1
/ U0 j- i. U: n; Wtvb now,tvbnow,bttvband weight them." I0 {- T) H5 f3 [, K+ S% D- _' F# J1 [6 t
3 x weighing and get the ans.
: Q0 F" f9 w2 n" ]* t. E# Lin less than 15 secs. |