first divide it into 3 groups... 4 for each group...5.39.217.766 n% E5 f/ B* `; G% p
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...
- O9 d# s6 C, G" ~4 M# S( d. Nden... left 4 balls...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。0 t# `* Z/ [3 M5 R( P g; I
when u use tat 3 groups to test... u oredi know it is heavier or not...
f- N- y8 T( W/ I+ A) {tvb now,tvbnow,bttvbso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
8 Y. i8 b% B6 Q7 Otvb now,tvbnow,bttvbtake the heavier or lighter 1... throw away tat 2 normal ball..., v. T& H4 t2 H8 n
den u juz nit 2 test the last 2 balls...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。0 V. n* q& O* K5 m# r9 D
same for now... take the heavier or lighter 1... |