first divide it into 3 groups... 4 for each group...
% Z: v0 S1 ~0 bTVBNOW 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...os.tvboxnow.com2 e# S, {5 C. d- e. ]
den... left 4 balls...
# k/ u c y0 U( B$ Y% p8 `+ Q# Ttvb now,tvbnow,bttvbwhen u use tat 3 groups to test... u oredi know it is heavier or not...
$ \: B- X) i/ v: {. Y9 ^os.tvboxnow.comso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
( Y! y; @% ~8 j* P' \+ v7 A* P7 }tvb now,tvbnow,bttvbtake the heavier or lighter 1... throw away tat 2 normal ball...
, r; i- {# r# J6 d! _ Z( u1 b! @den u juz nit 2 test the last 2 balls...公仔箱論壇0 L4 n) v# q( z
same for now... take the heavier or lighter 1... |