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。) T! ^& B6 `* w: j) F+ A. N9 p
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...
, R$ k F/ _/ m: \4 ATVBNOW 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... left 4 balls...tvb now,tvbnow,bttvb4 P4 q( {6 z, k" K5 g; h) d
when u use tat 3 groups to test... u oredi know it is heavier or not...
( a- {- D7 d/ G4 x$ Xso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...公仔箱論壇4 P0 z' b, L) u; T7 P
take the heavier or lighter 1... throw away tat 2 normal ball...
% ~& z3 L4 m8 ltvb now,tvbnow,bttvbden u juz nit 2 test the last 2 balls...$ Q; p" n6 h' O3 N7 [: O# c& _7 D
same for now... take the heavier or lighter 1... |