divde the 12 balls into 3 sets of 4. tvb now,tvbnow,bttvb+ B, U* k7 R! M. g' S
weight any 2 sets.
# x5 j$ L! v' f3 tif the 2 sets are equal, then you know the heavy one is in the third
3 \5 }& t% I2 S* O: V/ Atvb now,tvbnow,bttvbif one of the 2 is heavier, then the heavy one is in that set
5 S) h- B+ v" p* q5 K; F) Xthen divide the 4 balls into 2.
5 b" }0 j. v! V7 q公仔箱論壇weigh them
" u2 F+ D3 W' T+ o3 O/ _, ]and divide the heavier into 1TVBNOW 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。' \" a: b6 g+ Z$ w% k
and weight them.tvb now,tvbnow,bttvb5 c$ ` J" e, l
3 x weighing and get the ans.
4 x* f2 {6 z: w" E: n1 N+ B* l1 Kin less than 15 secs. |