first divide it into 3 groups... 4 for each group...; ~, v* a$ g# |* D# z! ^
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...
: [6 o7 l, }& m0 ~den... left 4 balls...' N; g% ]4 ~* p# C4 P! F7 a
when u use tat 3 groups to test... u oredi know it is heavier or not...
4 Z1 d/ Q1 v, B# [9 |6 f公仔箱論壇so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
& ^: s- \, o+ N1 i [, L0 U公仔箱論壇take the heavier or lighter 1... throw away tat 2 normal ball...tvb now,tvbnow,bttvb7 n% A7 _, b9 q' g* e& O ?
den u juz nit 2 test the last 2 balls...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。; j/ _) h/ e- H: N3 v! ]4 E/ K
same for now... take the heavier or lighter 1... |