first divide it into 3 groups... 4 for each group...
$ d3 B+ ?9 ?0 A; rwww3.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...
% q# v7 @" Y2 j& n9 M, stvb now,tvbnow,bttvbden... left 4 balls...tvb now,tvbnow,bttvb; {0 ^; k! X" q% }( Q7 O
when u use tat 3 groups to test... u oredi know it is heavier or not...www3.tvboxnow.com! v4 q- c1 R6 I# L' L
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。& [# g+ b+ E" x2 z6 [, z. G( Y2 ^6 ^
take the heavier or lighter 1... throw away tat 2 normal ball...www3.tvboxnow.com; \8 d* \' V* A }* H9 w; }! p6 j
den u juz nit 2 test the last 2 balls...
3 v! I. }: _ j2 t* ]1 d" v9 }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。same for now... take the heavier or lighter 1... |