first divide it into 3 groups... 4 for each group...
/ d3 \/ t% `7 j* hden 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...
5 ~7 `$ l1 q& s. w- ?% 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。den... left 4 balls...5.39.217.77:88984 a% z7 Q& I9 d; p9 y7 l2 j4 i% X) q
when u use tat 3 groups to test... u oredi know it is heavier or not...
" B0 d) ^ S. v4 c3 utvb now,tvbnow,bttvbso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...tvb now,tvbnow,bttvb |+ B6 N c, z9 A6 {
take the heavier or lighter 1... throw away tat 2 normal ball...
( R i: L* l$ A* l- E1 A4 GTVBNOW 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 u juz nit 2 test the last 2 balls...
' @ ]$ c: G; D/ ?& Z3 d' Q; eTVBNOW 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... |