first divide it into 3 groups... 4 for each group...
) `. S$ i6 w; z- [8 F$ t2 mTVBNOW 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 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...6 K4 B4 y) _5 s' d3 a( z: k/ x1 C
den... left 4 balls.../ K: W5 f4 H9 ?/ m" G( {1 P
when u use tat 3 groups to test... u oredi know it is heavier or not...
, d9 C- a8 @! G公仔箱論壇so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...+ v% [, E. {4 D3 c9 ]9 ~
take the heavier or lighter 1... throw away tat 2 normal ball...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。- t n* m% A" S
den u juz nit 2 test the last 2 balls...
, _/ K1 D, P+ htvb now,tvbnow,bttvbsame for now... take the heavier or lighter 1... |