first divide it into 3 groups... 4 for each group...
: n. E6 P& y1 V. P9 ntvb 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...
( L3 c" c- K2 e3 V9 h. sTVBNOW 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... 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。; ~7 P, }! J2 Q. |+ F6 f
when u use tat 3 groups to test... u oredi know it is heavier or not...
6 V- C+ l) g( ^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...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 B6 X f( p( Z* ^8 e7 l2 M- L! b
take the heavier or lighter 1... throw away tat 2 normal ball...tvb now,tvbnow,bttvb* r$ \' w- B$ P# K( r% C# p0 Z
den u juz nit 2 test the last 2 balls...公仔箱論壇0 o8 _3 r8 h8 R7 d* A9 m
same for now... take the heavier or lighter 1... |