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。" V" H* _/ E& |6 T( c# ~
weight any 2 sets.
: v7 r5 a3 n3 Y, }& l" wTVBNOW 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。if the 2 sets are equal, then you know the heavy one is in the third6 K) X& A8 N3 D( A! P" \
if one of the 2 is heavier, then the heavy one is in that set
3 M! v2 M5 P. e; ^then divide the 4 balls into 2.tvb now,tvbnow,bttvb# K! k$ ]' Q' G9 p$ c" }4 k
weigh them
0 O; `0 s* w1 \* A8 Jand divide the heavier into 1
9 [; J1 G( [0 Z( B& g5.39.217.76and weight them.
) |; ], K0 R7 G" z* x; b' ]+ c5 I公仔箱論壇3 x weighing and get the ans. 8 u$ C; C( T; ]0 X; }6 Q
in less than 15 secs. |