first divide it into 3 groups... 4 for each group...
; C1 D6 N; A6 Ztvb now,tvbnow,bttvbden use 2 groups to test... if the weight is same... den throw away these 2 groups.. if not... use another 1 group to test with tat 2 groups... throw away the same weight groups...
8 Z! N0 _4 S0 ~3 I3 Lwww3.tvboxnow.comden... left 4 balls...
0 W9 q$ C" K& g) ]' t3 J) X2 ywww3.tvboxnow.comwhen u use tat 3 groups to test... u oredi know it is heavier or not...
$ [6 K& H5 \7 f2 `) ztvb now,tvbnow,bttvbso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
8 C* f3 G" n5 ], U& YTVBNOW 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。take the heavier or lighter 1... throw away tat 2 normal ball...公仔箱論壇! |; z1 w$ \+ g
den u juz nit 2 test the last 2 balls...5 a' H U! [, ~# E" x
same for now... take the heavier or lighter 1... |