first divide it into 3 groups... 4 for each group...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。2 C# n5 B0 L! L
den 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...
& d$ h2 V: W% m* p2 {8 Nden... left 4 balls...公仔箱論壇2 \, {+ N7 h( T2 Z9 e, E# z$ ]
when u use tat 3 groups to test... u oredi know it is heavier or not...
; }6 G1 m/ L1 rso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...tvb now,tvbnow,bttvb8 X0 X# |1 S8 z" v! C+ n7 V
take the heavier or lighter 1... throw away tat 2 normal ball...tvb now,tvbnow,bttvb4 K" o/ F0 F2 d6 L, u& P# ~6 Z
den u juz nit 2 test the last 2 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。+ A; e I8 z5 H. t H) l$ ~
same for now... take the heavier or lighter 1... |