first divide it into 3 groups... 4 for each group..." j! v- X8 H6 F4 X0 d. Z& B& K+ ]
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...
2 x- L0 a2 G" n- m. Ftvb now,tvbnow,bttvbden... 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。: C. ~1 ?# m7 L/ [7 n- T, z4 A# W6 B4 ^
when u use tat 3 groups to test... u oredi know it is heavier or not...
& P- z* K4 a V; V" @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。so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...5.39.217.77, _& V5 j% `4 Z5 q: z( O
take the heavier or lighter 1... throw away tat 2 normal ball...5.39.217.772 u2 l2 y6 w2 @- v! p# Q
den u juz nit 2 test the last 2 balls...
0 k. b3 T& Q5 k2 V0 @7 S' ^- `2 gtvb now,tvbnow,bttvbsame for now... take the heavier or lighter 1... |