first divide it into 3 groups... 4 for each group...
' I* @ @0 p7 G1 o3 ~; f) N% kden 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...公仔箱論壇6 I Y8 E; o# R) P ]) ]% d- `3 w# f* |
den... left 4 balls...* M9 Q% y) n) q$ F/ `6 F: f- }
when u use tat 3 groups to test... u oredi know it is heavier or not...os.tvboxnow.com* [) p2 q0 c. g N
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
, @) e; @' b5 R7 z2 @' o) btvb now,tvbnow,bttvbtake the heavier or lighter 1... throw away tat 2 normal ball...
2 S$ K) w7 w. ]9 zTVBNOW 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。den u juz nit 2 test the last 2 balls...tvb now,tvbnow,bttvb6 w4 C# P) X* | g
same for now... take the heavier or lighter 1... |