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。$ R! B, n6 h% L4 v3 F2 I
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...
2 S( V$ Y, v' P- g& S公仔箱論壇den... left 4 balls...' B8 k) D- I" H% g" g% Q5 d
when u use tat 3 groups to test... u oredi know it is heavier or not...os.tvboxnow.com* r8 B# L6 @: V3 x* g3 V* C& N
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...tvb now,tvbnow,bttvb" U$ P; Y* H. F* w( @* p" L4 n- B
take the heavier or lighter 1... throw away tat 2 normal ball...
( A- W2 t7 }3 o9 [ ^tvb now,tvbnow,bttvbden u juz nit 2 test the last 2 balls...
, m: D! x: f3 V6 j& ^( W9 @% bsame for now... take the heavier or lighter 1... |