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。- r3 W, ^* d' i. B& H
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...tvb now,tvbnow,bttvb+ D; B+ q& P6 C1 J+ p0 c9 H" H* c4 L
den... left 4 balls...5.39.217.76: h5 k8 p, o/ J6 h5 O) w
when u use tat 3 groups to test... u oredi know it is heavier or not...
9 z( X; `2 J; H JTVBNOW 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...
; G) m/ k8 X# B8 p# U) N- Rtake the heavier or lighter 1... throw away tat 2 normal ball...
6 f/ n4 Q/ f" W! n+ g8 i1 etvb now,tvbnow,bttvbden u juz nit 2 test the last 2 balls...tvb now,tvbnow,bttvb: d [- j. M2 S0 R$ C
same for now... take the heavier or lighter 1... |