first divide it into 3 groups... 4 for each group...tvb now,tvbnow,bttvb1 H$ C; R* B- c# A6 V
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...
+ P) Q* U) r% V- D9 M, H$ t F+ Vtvb now,tvbnow,bttvbden... left 4 balls...
& H3 G* ^/ r1 e; C. N2 j% ptvb now,tvbnow,bttvbwhen u use tat 3 groups to test... u oredi know it is heavier or not...
7 ?& F |! i+ b h, @公仔箱論壇so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
" [, J ]8 t0 A/ m8 NTVBNOW 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。take the heavier or lighter 1... throw away tat 2 normal ball...
. X+ Y6 [( o. k! ?* H& r6 ?# K公仔箱論壇den u juz nit 2 test the last 2 balls...tvb now,tvbnow,bttvb( b! Z. D$ w; u) q
same for now... take the heavier or lighter 1... |