first divide it into 3 groups... 4 for each group...tvb now,tvbnow,bttvb; J. ]* d5 U' V7 K& [! w! ?2 o
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...
, Z, e5 ^4 {. a! g- b& A8 ~, tTVBNOW 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...
: r c9 n5 C1 uwhen u use tat 3 groups to test... u oredi know it is heavier or not...
) U8 s& J; c% e/ QTVBNOW 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...
* u7 C' o* K( ~9 N# [ D6 ^tvb now,tvbnow,bttvbtake the heavier or lighter 1... throw away tat 2 normal ball...
' i" [& e1 q3 w' n( Itvb now,tvbnow,bttvbden u juz nit 2 test the last 2 balls...
2 I% D1 g, f4 b! L0 g. Utvb now,tvbnow,bttvbsame for now... take the heavier or lighter 1... |