divde the 12 balls into 3 sets of 4. os.tvboxnow.com$ J2 P6 r: [; X" x
weight any 2 sets.tvb now,tvbnow,bttvb4 C6 {1 i4 U8 b& @2 Z6 a
if the 2 sets are equal, then you know the heavy one is in the third
& s1 ^) _ A2 t0 y2 Fos.tvboxnow.comif one of the 2 is heavier, then the heavy one is in that set
4 Z4 \% U& F3 c3 J% Oos.tvboxnow.comthen divide the 4 balls into 2.9 a3 P/ n0 G1 z" K: Q
weigh themos.tvboxnow.com, ]" M8 \, e y2 P
and divide the heavier into 1
9 z0 P/ y" R) }4 n5 d$ l Ftvb now,tvbnow,bttvband weight them.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。2 z! }+ L8 N }, G/ ~/ m8 L
3 x weighing and get the ans. tvb now,tvbnow,bttvb% {, }2 U) P# v5 N) z* C, C2 v
in less than 15 secs. |