first divide it into 3 groups... 4 for each group...
' {6 k, C6 [8 M/ P, g% x% Q6 ltvb now,tvbnow,bttvbden 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...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。4 X% l6 K) ?; v/ t7 Q" M
den... left 4 balls...5 m& E2 M+ n( }; u
when u use tat 3 groups to test... u oredi know it is heavier or not...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。$ b; G& s4 O m5 w1 S
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
$ j3 S1 {, V' v0 {$ Z* e2 Ttake the heavier or lighter 1... throw away tat 2 normal ball...
) w$ b& G5 _# F- p' G4 L公仔箱論壇den u juz nit 2 test the last 2 balls..." G$ k$ d/ l" V2 V
same for now... take the heavier or lighter 1... |