first divide it into 3 groups... 4 for each group...
" W# c) q, ?5 l6 |公仔箱論壇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...
* n; z& b2 Z; N4 i K, w$ T Q3 t公仔箱論壇den... left 4 balls...公仔箱論壇, D9 M# R7 Z! J) t4 k7 Y3 h
when u use tat 3 groups to test... u oredi know it is heavier or not...tvb now,tvbnow,bttvb; j& q: k! T8 Y4 ]) P3 J- d
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
+ G; g {% N, M( }. ~* Q. l4 G& Utake the heavier or lighter 1... throw away tat 2 normal ball...
7 A( B9 c1 @, Y [" HTVBNOW 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。den u juz nit 2 test the last 2 balls...os.tvboxnow.com5 o& |& v+ R" E# M
same for now... take the heavier or lighter 1... |