first divide it into 3 groups... 4 for each group...公仔箱論壇% d, Y/ q7 a, q
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...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。; ~8 ]1 z& i C
den... left 4 balls...
( Z, ~/ s9 ?6 Q, v$ t, i Hwhen u use tat 3 groups to test... u oredi know it is heavier or not...
9 _5 c& W+ _/ c+ }5 n4 M- HTVBNOW 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。so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
1 f; r4 F% k- J) ^1 \( O, O) l) }take the heavier or lighter 1... throw away tat 2 normal ball...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。7 t, u/ ^, _- p! \2 v- {) W; y
den u juz nit 2 test the last 2 balls...tvb now,tvbnow,bttvb3 ^1 @' B- ]8 q# d+ C# ]* H, d
same for now... take the heavier or lighter 1... |