first divide it into 3 groups... 4 for each group...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。# V S2 O/ t3 ?- J# c2 h4 ?9 k& a" D
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...tvb now,tvbnow,bttvb; q0 Q$ e) R# _) @9 V# t
den... left 4 balls...
; |: z ^. ?0 P( Owhen u use tat 3 groups to test... u oredi know it is heavier or not...
N; n) \% O. c, Z, rTVBNOW 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...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。. m6 C- p k& A
take the heavier or lighter 1... throw away tat 2 normal ball...
! k' s$ {9 E) }% `# G4 ]% [tvb now,tvbnow,bttvbden u juz nit 2 test the last 2 balls...
" S J! g; F1 ]+ x' hsame for now... take the heavier or lighter 1... |