divde the 12 balls into 3 sets of 4. & i4 B* ^! A. `1 x
weight any 2 sets.
. z( M. ?! g3 r3 p0 @' b% Rif the 2 sets are equal, then you know the heavy one is in the thirdTVBNOW 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。 o% j, `9 n. u% I) w: `- f; \9 p
if one of the 2 is heavier, then the heavy one is in that set
, I$ w3 Q6 d7 bthen divide the 4 balls into 2.os.tvboxnow.com7 ]) |6 y; C9 l% t7 ]
weigh them
) a! K% ?' e# [os.tvboxnow.comand divide the heavier into 1
9 m" v! D* b8 B4 B, E: [4 p公仔箱論壇and weight them.tvb now,tvbnow,bttvb9 J; D( {! B! ^, D! o* B+ H
3 x weighing and get the ans. 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。- n2 s1 [0 [# b9 b8 g6 [
in less than 15 secs. |