first divide it into 3 groups... 4 for each group...
9 D& r' v: U; [8 l 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。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...
& p$ y' F% z5 I4 Y8 J; i5.39.217.77:8898den... left 4 balls...5.39.217.77:8898 L8 B7 L/ V9 i) Z* \# w) Z) S- @
when u use tat 3 groups to test... u oredi know it is heavier or not...
; s2 P$ J3 B @" Z3 LTVBNOW 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...tvb now,tvbnow,bttvb6 K; }% E$ m0 q
take the heavier or lighter 1... throw away tat 2 normal ball...公仔箱論壇, a+ h1 p' M: g/ I4 k4 }7 K
den u juz nit 2 test the last 2 balls...tvb now,tvbnow,bttvb; l, \$ h/ Z% c& y4 h' a
same for now... take the heavier or lighter 1... |