divde the 12 balls into 3 sets of 4. 8 D$ X: g2 q- H/ Q- [5.39.217.77weight any 2 sets. 1 D, s* r2 t: h2 h6 @公仔箱論壇if the 2 sets are equal, then you know the heavy one is in the third + K7 _8 k. u* ^# k6 O/ d g2 xif one of the 2 is heavier, then the heavy one is in that settvb now,tvbnow,bttvb! p6 n! _5 _3 r5 j2 p
then divide the 4 balls into 2.5.39.217.778 _% `& H' _8 e5 L9 ^6 r
weigh them * [7 J) U1 m f M; l/ F. f' w; {and divide the heavier into 1 * F+ X( k. k4 ?8 z+ Y+ Qand weight them. 2 D- G4 t: P5 w" ]6 l公仔箱論壇3 x weighing and get the ans. N2 e9 L" I/ o# e7 k
in less than 15 secs.
1. 6 aside and weight.0 U/ b. y* A! a& Q( J
2. heavier side from (1), 3 aside weight again.tvb now,tvbnow,bttvb f8 s1 j! B t' ^3 Z5 V5 C. P
3. heavier side from (2), take 2 out of 3 to weight. If equal weight the one not on the scale is the heavier one. else the heavier one on the scale is the odd one. - L R, F9 S8 qTVBNOW 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。5.39.217.774 z i6 j: O# l8 J! i
but i have a question. 重量異常 can be heavier or lighter.... so......