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。9 X2 C: @4 F5 b; P5 [2 t
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...
' Q2 ]0 w) C9 n4 jden... left 4 balls...
& O& Z" B3 o" z公仔箱論壇when u use tat 3 groups to test... u oredi know it is heavier or not...公仔箱論壇; P' {' a+ K9 |& B9 v& E* [, C2 @2 f8 m/ p
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...tvb now,tvbnow,bttvb9 d4 J8 {8 a3 ^: b
take the heavier or lighter 1... throw away tat 2 normal ball...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。- \% e% ?, m X) N# Z" u& k2 v& e# c
den u juz nit 2 test the last 2 balls...
8 r* e' w$ R, t: i0 T1 a* U5.39.217.77:8898same for now... take the heavier or lighter 1... |