first divide it into 3 groups... 4 for each group...
1 u* n9 ]" v6 |2 `4 |www2.tvboxnow.comden 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...4 a8 x6 k) ]3 F
den... left 4 balls...
0 X% u) _' Y2 X' Y% V0 t5 Gtvb now,tvbnow,bttvbwhen u use tat 3 groups to test... u oredi know it is heavier or not...
! E- @/ v( g9 Q' x, h# e, Dwww2.tvboxnow.comso 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。( \* z' o0 U7 G X0 X
take the heavier or lighter 1... throw away tat 2 normal ball...
* M, Z# }6 x; |6 O公仔箱論壇den u juz nit 2 test the last 2 balls...: \; U8 C+ P8 P
same for now... take the heavier or lighter 1... |