first divide it into 3 groups... 4 for each group...
, |. `9 U1 d, l% X" N qwww3.tvboxnow.comden 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...www3.tvboxnow.com/ ?! h6 J, H3 \2 [: X
den... left 4 balls...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。/ R3 |; C6 c5 E! S! I
when u use tat 3 groups to test... u oredi know it is heavier or not...公仔箱論壇% S3 B9 H# w: u8 U
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
3 Z* o$ M- p; VTVBNOW 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...
! Y) d+ V* A* z; btvb now,tvbnow,bttvbden u juz nit 2 test the last 2 balls...
! G- Q# u# y% K* P; G% {: J. ltvb now,tvbnow,bttvbsame for now... take the heavier or lighter 1... |