first divide it into 3 groups... 4 for each group...公仔箱論壇 P) {3 v5 Z7 R0 D/ ^! 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...
I+ ~; v/ g) {. }den... left 4 balls...tvb now,tvbnow,bttvb8 ?5 s, [$ h4 z; e# z( H% ^
when u use tat 3 groups to test... u oredi know it is heavier or not...
" q% A$ h2 E/ g5 h) Q2 \9 y* z& g9 eso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...os.tvboxnow.com' k4 S7 {; @/ _1 N% A- j8 }, D. f% Q
take the heavier or lighter 1... throw away tat 2 normal ball...tvb now,tvbnow,bttvb1 ]5 K8 @( b! J( ?/ A
den u juz nit 2 test the last 2 balls...
, e, N& K0 J7 k" O: uTVBNOW 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。same for now... take the heavier or lighter 1... |