first divide it into 3 groups... 4 for each group...
0 R b, G5 \& ?tvb 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。 o8 V" Q# L' t6 N8 s, _
den... left 4 balls...tvb now,tvbnow,bttvb. \0 }, c$ d2 N) R& Y, C; V
when u use tat 3 groups to test... u oredi know it is heavier or not...! `- u! a5 }3 e. g1 W
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
; S M6 X) L* E( c( s5.39.217.77:8898take the heavier or lighter 1... throw away tat 2 normal ball...
2 p/ g' j" y1 n& Y: m公仔箱論壇den u juz nit 2 test the last 2 balls...公仔箱論壇) E2 ]/ d( o, t1 |1 O
same for now... take the heavier or lighter 1... |