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。, U3 W, O: w4 _4 Q3 Q
weight any 2 sets.
; w( G1 S. T- n) _4 o jtvb now,tvbnow,bttvbif the 2 sets are equal, then you know the heavy one is in the third
3 m n8 ] M- M; ~9 ]! B* Y( nif one of the 2 is heavier, then the heavy one is in that setTVBNOW 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。8 ^* C; K5 L1 |9 a! V9 R/ ~
then divide the 4 balls into 2.
( ~2 E2 G4 W& L) A% |, v d: Z公仔箱論壇weigh them. j; _. O5 a3 R, S$ B$ D! t
and divide the heavier into 1www3.tvboxnow.com+ }1 u3 {- }% e" }5 e1 I
and weight them.tvb now,tvbnow,bttvb. F' q: n* \0 _: w
3 x weighing and get the ans.
# E- ?( P3 E7 z* N+ g, D2 Atvb now,tvbnow,bttvbin less than 15 secs. |