first divide it into 3 groups... 4 for each group...
7 s8 \2 j+ z* A* u+ V, wtvb 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...
2 Y) j5 s- {" c' \( l5 m {' A, H公仔箱論壇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。; e; f! _" p4 q
when u use tat 3 groups to test... u oredi know it is heavier or not...tvb now,tvbnow,bttvb0 @; |; r0 {+ t& ~; `/ S
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
6 a& ^# r4 ^) u+ k4 UTVBNOW 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。take the heavier or lighter 1... throw away tat 2 normal ball...
: Y( ~- U* Y9 q' ~/ t1 h% _3 U# o; l/ kden u juz nit 2 test the last 2 balls...
6 l* D+ ~# ^- S* c( ?- F' ^1 \5.39.217.77same for now... take the heavier or lighter 1... |