divde the 12 balls into 3 sets of 4.
$ ~2 M3 l _9 t6 gTVBNOW 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。weight any 2 sets.tvb now,tvbnow,bttvb4 o8 _% L2 W& Y1 c% C6 P
if the 2 sets are equal, then you know the heavy one is in the third
, D0 d1 O; b, u! a, h* K7 dtvb now,tvbnow,bttvbif 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。' p2 {/ u6 W+ K6 J M
then divide the 4 balls into 2.
3 B; d1 U2 G9 q2 X! o J( ]5.39.217.76weigh them公仔箱論壇7 T! q8 l0 ?: |% O; y+ \
and divide the heavier into 1: t' ^0 S3 s; e0 a8 @
and weight them.
* R* X( x8 M& {5 RTVBNOW 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。3 x weighing and get the ans.
, F1 Q0 k2 _$ S Q& Btvb now,tvbnow,bttvbin less than 15 secs. |